Long-Term Side Effects of Ayahuasca

Ayahuasca is a strong plant brew that has been used in ceremonies in parts of South America for a long time. In recent years, more people in other countries have heard about it, travelled to take part in ceremonies, or read stories online about healing and insight. A single night can feel powerful and important, and that is often what people remember and talk about. What is talked about far less is what happens when the use goes on — month after month, year after year. The long-term side effects of ayahuasca are slower, quieter and harder to see than the effects of one night, and that is exactly what makes them dangerous. They do not arrive all at once. They build up in small steps, until one day the person realises that their health, their work, their memory or their relationships are not what they used to be, and they cannot point to a single moment when it changed.

This article looks at those slow harms honestly. It covers how repeated use can affect mood and mental health, memory and thinking, the body, sleep and appetite, and the practical parts of life — work, money and family. It also looks at why people keep returning even when the harms are growing, and what recovery can look like when use stops. This is general information only, not individual medical advice. Ayahuasca is not a medicine, and this article does not suggest any treatment. If you are worried about your own health, or about someone else, a qualified health professional is the right person to talk to.

The Harms That Build Slowly

The hardest thing about long-term harm is that it rarely announces itself. After one ceremony, a person may feel tired for a day or two, and then feel fine again. After the second, the tiredness may last a little longer. After the tenth, the person may notice that they are not quite as sharp as they used to be, that they need more sleep, that small tasks feel harder. But each change is small enough to explain away. It was a bad week at work. It was the weather. It was age. It was stress. And so the use goes on, and the small changes add up, until the total is large, even though no single step felt large at the time.

Part of the reason for this is that the brain and body adapt. When something difficult happens once, the body recovers and returns to normal. When it happens again and again, the body starts to treat the difficult state as normal, and it stops fully recovering between times. Sleep stays a little lighter. Mood stays a little lower. Attention stays a little weaker. The person gets used to feeling slightly worse, and they forget what feeling fully well was like. This is sometimes called a new normal, and it is a trap, because it makes the harm invisible to the person who is living with it. Friends and family often notice it first. They say the person seems different, more tired, more distant, less reliable. The person themselves may not see it, because the change happened so gradually.

It also matters that ayahuasca is often used in a setting that encourages people to see difficult effects as part of the process. A frightening night, a period of low mood afterwards, a stretch of poor sleep — these can be described as purging, or healing, or part of a journey. Sometimes that framing helps people make sense of a hard night. But it can also stop them from recognising harm when it is happening. A person who believes that feeling worse is a sign of healing is less likely to stop and ask whether the harm is outweighing any benefit. Over months and years, that belief can keep someone using long after the costs have become clear to everyone around them.

The Mind Over Months and Years

The most serious long-term risks of ayahuasca are to mental health. During the experience itself, people can feel intense fear, confusion and a loss of control, and for some, those feelings do not end when the night ends. Anxiety can linger for days or weeks. Low mood can settle in. Sleep can become broken, with vivid or frightening dreams. For most people, these effects fade. But for some, especially people who already live with anxiety, depression or another mental health problem, or who have a family history of serious mental illness, the effects can be more severe and last longer. In a small number of cases, use has been linked with a lasting break from reality, with confused thinking and beliefs that are hard to shake, and with the return of mental health problems that had previously been under control.

It is important to be careful with words here. Ayahuasca does not cause serious mental illness in every person who takes it, and it would be wrong to claim that it does. What the evidence and health guidance do show is that it can trigger problems in people who are already vulnerable, and that it can make existing problems worse. That risk grows with repeated use, because each use is another chance for a difficult experience, and each difficult experience can leave the mind more fragile, not stronger. A person who has had one frightening night and recovered may feel that they are safe. But the next night may be different, and there is no way to predict which night will be the one that leaves a lasting mark.

There is also the slower effect on mood that comes from repeated disruption. A person who regularly spends nights in an intense, emotionally overwhelming state, followed by days of exhaustion and poor sleep, is living a life with very large ups and downs. Over time, that pattern can wear down the mind’s ability to stay steady. Ordinary days can start to feel flat and grey by comparison, and the person may feel that only the ceremony feels real or meaningful. That is a lonely place to be. It can lead to withdrawing from friends, from work, and from the ordinary pleasures that used to keep mood stable. And withdrawal itself makes mood worse, which makes the next ceremony feel more necessary, which keeps the cycle going.

Memory, Thinking and Concentration Over Time

Memory and clear thinking are among the things most affected by repeated use, and the effects are discussed in detail in the companion article on ayahuasca and memory. In brief, the brew disrupts attention, short-term memory and sleep, and those are the foundations of remembering and learning. When that disruption happens once, the brain usually recovers. When it happens again and again, with too little time to recover in between, the small slips start to happen more often, even on days when the person has not used ayahuasca. Names, appointments, instructions and everyday details are forgotten. Reading becomes harder. Following a conversation in a noisy room becomes harder. Learning a new skill at work takes longer and feels more tiring.

The cost of this is not only in mistakes. It is in confidence. A person who keeps forgetting things starts to doubt their own mind. They avoid situations where they might be caught out. They stop volunteering for new tasks at work. They stop studying. They rely more on other people to remember for them, and that reliance can breed resentment on both sides. Over years, the loss of confidence can be as damaging as the memory slips themselves, because it narrows a person’s life. They do less, they try less, and they expect less of themselves, and each of those choices makes the next one easier to make.

Thinking itself can also become less clear. People who have used ayahuasca repeatedly sometimes describe finding it harder to weigh up a decision, to see both sides of a question, or to follow a complicated argument to its end. They may feel certain about things they would once have questioned, because the certainty they felt during a ceremony stays with them, even when the facts behind it have faded. Or they may feel the opposite — uncertain about everything, unable to trust their own judgement, because their sense of what is real was shaken so strongly and so often. Either way, the steady, careful thinking that daily life depends on becomes harder, and that shows up in work, in money decisions, and in relationships.

The Body Over Time

Ayahuasca is hard on the body, and the strain does not disappear just because a person gets used to it. The most immediate physical effects are well known: strong nausea, vomiting and diarrhoea, a fast heartbeat, raised blood pressure, sweating, shaking and a feeling of being hot or cold. These are not minor discomforts. Vomiting and diarrhoea, repeated over many ceremonies, can leave a person dehydrated and low in the salts the body needs to work properly. A fast heartbeat and raised blood pressure, repeated again and again, put strain on the heart and blood vessels, and that strain matters most for people who already have heart problems or high blood pressure, even if they do not know it yet.

There are other physical risks that are less talked about but just as important. Ayahuasca can interact dangerously with certain medicines and with other substances, and the combination can raise body temperature, blood pressure and heart rate to dangerous levels, and can cause a serious condition in which the body overheats and becomes confused and agitated. This is a medical emergency, and it needs urgent help. Because of this, anyone who takes regular medicine, or who uses other substances, should talk to a health professional before considering ayahuasca at all — and the safest advice is not to combine them. The risk is not theoretical. Health services have seen people become seriously ill in this way, and the danger is greater when the person does not tell anyone what medicines they take, or when the ceremony takes place far from medical help.

Over the longer term, repeated physical stress takes its own toll. Appetite is often poor in the days after a ceremony, and repeated ceremonies can lead to weight loss and to a diet that is too thin to support good health. Sleep, as already discussed, is often broken, and broken sleep over months weakens the body’s defences, makes infections more likely, and slows healing. The gut, too, can suffer from repeated vomiting and diarrhoea, leaving the person with stomach pain, poor digestion and a general feeling of being unwell that never quite lifts. None of these things on their own is necessarily dramatic. Together, over years, they leave a person weaker, more tired and more vulnerable to illness than they would otherwise have been.

Tolerance, Dependence and the Pull to Return

Ayahuasca is not usually described as addictive in the same way as alcohol or nicotine, and it is true that most people do not develop the kind of physical dependence that makes the body shake when the substance is stopped. But that does not mean there is no pull to return. Many people who use ayahuasca repeatedly describe a strong psychological pull: the feeling that the next ceremony will bring the answer they have been looking for, or the healing they have not yet found, or the peace that slipped away after the last one. When ordinary life feels flat by comparison, that pull can be very strong, and it can keep a person returning even when they can see the harm it is doing.

Tolerance also plays a part. Over time, the same amount may feel less strong, or the experience may feel less clear, and the person may be tempted to use more often, or to seek out stronger ceremonies, in order to get back the feeling they had at the start. That is a familiar pattern with many substances, and it is a warning sign, not a challenge to be met. Chasing a stronger experience usually means more strain on the body and the mind, not more insight, and the insights that do come are often harder to remember and harder to use in ordinary life.

The hardest part of the pull is often social. Ceremonies are usually group events, and the group can become a person’s main social world. Friends outside the group may drift away. Family may not understand. Work may feel less important. When the ceremony community is the only place where the person feels understood, leaving it feels like losing their friends, their belonging and their identity all at once. That is a very high price to pay for stopping, and it keeps many people using long after they have privately decided that the costs outweigh the benefits. Breaking that pull usually needs support from outside the group — a health professional, a trusted friend or family member, or a support service — and it is worth seeking that support rather than trying to do it alone.

Work, Money and Daily Life

The practical costs of long-term use are often the ones that families feel first. Ceremonies take time. They take place at night, they leave the person exhausted the next day, and they often involve travel, sometimes to another country. A person who is regularly travelling for ceremonies, and regularly needing a day or two to recover afterwards, is a person who is missing work, missing study, and missing the ordinary duties of home. Over months, the missed days add up. Performance at work slips. Deadlines are missed. Colleagues notice, even if they do not know why. For a person who is self-employed, or who works shifts, or who is paid by the day, the loss of income can be immediate and painful.

Money is the other side of the same problem. Ceremonies are not free, and travel, accommodation and time away from work all cost money. A person who is spending regularly on ceremonies, while also earning less because of missed work and poor concentration, can find themselves in a difficult financial position quite quickly. Bills are paid late. Savings are used up. Debts grow. And because the spending feels meaningful — it is for healing, for growth, for insight — it can be hard to see it as a financial problem at all. It is only when the money runs out, or when a bill cannot be paid, that the cost becomes impossible to ignore, and by then the damage to savings and credit may take years to repair.

Daily life also becomes harder in smaller ways. The house is less tidy. Meals are less regular. Appointments are missed. The car is not serviced. The garden is not kept. None of these things matters much on its own, but together they create a sense of a life slipping out of control. The person may feel ashamed of the mess, and the shame may make them withdraw further, which makes the mess worse. Family members, who are often the ones picking up the pieces, can become tired and resentful, and that resentment can turn into rows that make the home unhappy for everyone. This is the slow, ordinary cost of long-term use, and it is the cost that is most often left out of the stories people tell about ayahuasca.

Relationships Wear Down

Relationships are built on trust, on being present, and on keeping promises, and long-term ayahuasca use can weaken all three. A partner who never knows whether the other person will be present, clear-headed and reliable on a given day will slowly stop relying on them. A parent who misses school events, forgets promises to a child, or is too tired to play will slowly lose the closeness they once had. A friend who is repeatedly let down will slowly stop calling. None of this happens because the person using ayahuasca is a bad person. It happens because repeated use makes them less present, less reliable and harder to reach, and relationships cannot survive that for long without damage.

Communication also suffers. A person who has had intense, hard-to-explain experiences may find it difficult to talk about ordinary life, and ordinary life may start to feel unimportant to them. They may talk at length about visions and insights that mean a great deal to them, while the people around them want to talk about the rent, the children’s school, or the leaking roof. That gap in what matters can make the person feel misunderstood, and make their family feel unheard, and both sides can end up feeling alone in the same house. Over time, the person may spend more time with people from the ceremony community, who do understand, and less time with family, which widens the gap further.

Children are the ones who pay the highest price in all of this, and it is worth saying so plainly. A child does not understand why a parent is away, or tired, or forgetful, or different. They only know that the parent is not there in the way they used to be. That absence, repeated over months and years, shapes how the child sees the world and how they see themselves. It can affect their schoolwork, their confidence and their trust in adults. A parent who is considering repeated ayahuasca use should think very carefully about this, not with guilt, but with honesty. The ceremony may feel important, but the child in front of them is important too, and the child needs a parent who is present, reliable and clear-headed, day after day, not only on the days between ceremonies.

Months Turn Into Years

If there is one idea that sums up the long-term side effects of ayahuasca, it is this: small harms, repeated often enough, become large harms. A single night of vomiting, poor sleep and low mood is unpleasant, but it passes. Ten such nights, spread over a year, leave a mark. Fifty such nights, spread over several years, can change a person’s health, their memory, their work and their family in ways that are hard to undo. The change does not happen in a single dramatic moment. It happens in the slow accumulation of tired days, forgotten promises, missed work, strained relationships and poor health, until the total is far greater than the sum of its parts.

This is also why it is so hard to know when to stop. There is no single warning sign that says, clearly, that the harm has now become too much. The person may feel that they are coping, because they are coping with each day as it comes. It is only when they look back over a year, or when a friend or family member shows them how much has changed, that the picture becomes clear. That is why it helps to keep a simple record — how often you are using, how you feel in the days after, how work and sleep are going, what you are spending — and to look at it honestly every few months. A record does not lie in the way memory does, and it can show a pattern long before the person feels it.

Recovery, when use stops, is possible, and it is worth talking about, because it gives people a reason to stop. Sleep usually improves first, over weeks. Mood often steadies next, though it can take longer, and it can be up and down for a while. Memory and concentration tend to improve more slowly, over months, as the brain gets the rest and the routine it needs. Work and relationships take the longest, because trust has to be rebuilt, and that takes time and consistent effort. None of this is guaranteed, and some effects may not fully reverse, especially after many years of use. But stopping gives the body and mind the best chance they have to heal, and every month without use is a month in which the slow accumulation of harm has stopped.

My Take:

I will be honest with you. The long-term side effects of ayahuasca worry me more than the effects of a single night, because a single night ends, and long-term use does not. A single night can be frightening, and it can leave a person shaken for days, but most people recover. Repeated use is different. It does not give the brain and body time to recover fully between times, and the small harms start to add up. The person does not notice, because each step is small. The family notices, because they see the total. The employer notices, because the work slips. And by the time the person themselves notices, years may have passed, and the life they had is harder to get back. That slow, quiet accumulation is what I find most troubling, and it is what I think people should understand before they use ayahuasca more than once.

What stays with me is how the harm hides behind good intentions. Most people who use ayahuasca repeatedly are not trying to harm themselves. They are trying to heal, to grow, to find meaning, to deal with grief or trauma or a question that has troubled them for years. Those are good reasons to seek help, and they deserve respect. But good intentions do not protect the body and the mind from repeated strain. A person can be sincere, thoughtful and kind, and still be damaging their memory, their mood, their sleep and their relationships by using a powerful substance again and again. The sincerity of the search does not change the biology. The brain does not know why you took the brew. It only knows what the brew did to it, and it keeps a record of every time.

I think the mental health risks deserve to be said plainly, without exaggeration and without softening. Ayahuasca can trigger serious mental health problems in people who are vulnerable, and it can make existing problems worse. That is not a scare story. It is what health services have seen, and it is what the research, limited as it is, points to. A person who already lives with anxiety or depression, or who has a family history of serious mental illness, is taking a larger risk than someone who does not, and they may not know how large that risk is until it is too late. I would rather that person heard this warning clearly, from an honest source, than learned it from a crisis. If you live with a mental health problem, or if someone in your close family does, I would ask you to think very carefully before using ayahuasca at all, and to talk to a health professional first. That conversation could save you a great deal of suffering.

Money and work are the parts I keep coming back to, because they are concrete and they affect everyone in the household, not only the person using. A ceremony costs money. Travel costs money. Days off work cost money. And when work itself starts to suffer because of poor sleep, poor memory and poor concentration, the income falls at the same time as the spending rises. That is a difficult position to be in, and it is a position that can take years to escape. I have a lot of sympathy for people who find themselves in debt because they were searching for healing, but sympathy does not pay the bills. The bills still have to be paid, and the stress of debt makes mood and sleep worse, which makes the next ceremony feel more necessary, which costs more money. It is a loop, and it is a loop that is easy to enter and hard to leave. Anyone considering repeated use should look at the full cost, in money and in time away from work, and ask honestly whether they can afford it, not only this month, but over a year.

Relationships are the part I feel most strongly about, because they are the part that cannot be bought back. Money can be earned again. Sleep can be recovered. Memory can improve. But trust, once lost, is slow to rebuild, and closeness, once gone, does not always return. A partner who has been let down many times, a child who has learned not to expect a parent to be there, a friend who has stopped calling — these are losses that take a long time to repair, and some of them may never fully heal. I do not say this to make anyone feel guilty. Guilt does not help anyone to change. I say it because I think people should know what is at stake before they decide that another ceremony is worth the cost. The people who love you are not an audience for your journey. They are the people who share your life, and they need you present, reliable and clear-headed, day after day.

Children are the reason I would ask anyone to pause and think hardest. A child does not choose for a parent to use ayahuasca. A child does not understand ceremonies, or healing, or insight. A child only knows whether their parent is there, whether they are listened to, whether promises are kept. When a parent is repeatedly away, tired, forgetful or distant, the child feels it, even if they cannot put it into words. That feeling shapes how they see themselves and how they trust other people, and it can stay with them into adulthood. I know that many parents who use ayahuasca believe they are doing it to become better parents, to heal themselves so they can be more present for their children. I respect that intention. But I would ask them to look honestly at the result, not only the intention. If the use is making you less present, less reliable and less able to keep promises, then it is not making you a better parent, whatever the intention was. The child in front of you matters more than the insight from the last ceremony, and the child needs you now, not after the next one.

I am also troubled by the way difficult effects are sometimes explained away. A period of low mood, a stretch of anxiety, a frightening experience that will not leave the mind — these can be described as purging, or as part of the healing, or as a sign that the work is going deep. Sometimes that is true, and sometimes it helps people to make sense of a hard night. But sometimes it is not true, and the framing stops the person from recognising harm and stopping. If you feel worse after every ceremony, and the feeling lasts longer each time, and your sleep, your work and your relationships are all getting worse, then the honest explanation is not that you are healing. The honest explanation is that you are being harmed, and that continuing is making it worse. I think it takes courage to see that clearly, and I think the people who do see it, and who stop, deserve a great deal of respect.

The pull to return is something I understand, and I do not want to pretend it is easy to resist. When ordinary life feels flat and grey, and the ceremony feels vivid and meaningful, it is natural to want to go back. When the group feels like the only place where you are understood, it is natural to want to stay. But I would ask you to notice what is happening in that pull. The flatness of ordinary life may not be because ordinary life is empty. It may be because repeated intense experiences have made ordinary life feel dull by comparison, and because your mood, sleep and attention have been worn down. The answer to that flatness is not another intense night. The answer is to give ordinary life time to become vivid again — to sleep properly, to eat well, to spend time with family, to do work that matters, to let the brain recover its ability to find pleasure in small, ordinary things. That recovery takes time, and it can feel slow and boring at first. But it is real, and it lasts, in a way that the feeling from a ceremony does not.

If you have used ayahuasca for a long time and you are worried about the effects, I want to say this clearly. Stopping is the best thing you can do for your health, and it is never too late to stop. Sleep usually improves first. Mood often steadies over weeks. Memory and concentration tend to improve more slowly, over months. Work and relationships take the longest, because trust has to be rebuilt, and that takes consistent effort over time. None of this is guaranteed, and some effects may not fully reverse, especially after many years of use. I will not pretend otherwise. But stopping gives your body and mind the best chance they have, and every month without use is a month in which the slow accumulation of harm has stopped. That is a real and meaningful change, and it is worth making, however long you have been using.

I would also say this to anyone who is supporting someone who uses ayahuasca repeatedly. Do not shout, and do not give up. The person may not listen the first time, or the fifth time. They may get angry, or defensive, or withdraw. That is normal, and it does not mean your words have no effect. What helps is calm, patient honesty, repeated over time. Keep a record of what you see — the missed days, the forgotten promises, the money spent, the changes in mood and sleep — and share it gently, when the moment is right. Offer to go with them to talk to a health professional. Offer practical help with the things that have slipped — the bills, the house, the children — so that stopping feels possible, not impossible. And look after yourself too, because supporting someone through this is hard, and you cannot pour from an empty cup.

Finally, I come back to something simple, and I say it because I believe it. A good life is mostly made of ordinary days — a meal with family, a job done well, a child laughing, a good night’s sleep, a walk in the fresh air. Those days do not feel dramatic, and they do not make a good story to tell afterwards. But they are the days that hold a life together, and they are the days that repeated ayahuasca use slowly takes away. The ceremonies may feel important, and the visions may feel real, but they are not a substitute for the ordinary days, and they cannot replace the health, the memory, the work and the relationships that are lost while chasing them. If this article helps one person to see that clearly, and to choose the ordinary days, then it has done its job.

There is one more thing I want to add, about how easy it is to keep going without ever deciding to. Nobody wakes up one morning and decides to spend years using ayahuasca and to let their health, work and family slide. It happens one ceremony at a time, each one feeling like a reasonable choice on its own. The next one is always just one more, and one more never feels like a big decision. But a hundred small decisions add up to a large one, and by the time the total is visible, the person has already made it. I think the way out of that trap is to stop deciding one ceremony at a time, and to look at the whole picture instead. Look at the year, not the week. Look at the money spent, the days missed, the promises forgotten, the sleep lost, and ask whether the total is what you would have chosen if you had seen it all at once. If the answer is no, then the next decision is not about one more ceremony. It is about stopping, and about getting help to stop well.

I also think it is worth saying that stopping does not mean giving up on the search that led a person to ayahuasca in the first place. If you were looking for healing from grief, or for an answer to a painful question, or for a sense of meaning, those are real needs, and they do not disappear when you stop using. They still deserve attention, and there are steadier ways to meet them — talking with a health professional, spending time with people who care about you, building a routine that includes sleep, food, work and rest, and giving yourself time to grieve or to think without the pressure of an intense night. Those ways are slower, and they are less dramatic, and they do not promise a sudden breakthrough. But they are kinder to the body and the mind, and they leave you with your memory, your health and your relationships intact, which is a better place from which to do the hard work of healing.

Frequently Asked Questions

Does Ayahuasca change the brain over time?

It can change how the brain works over time, especially with repeated use. The brew disrupts attention, memory and sleep, and repeated disruption can leave thinking slower, memory weaker and mood less steady, even on days when the person has not used it. It can also trigger lasting mental health problems in people who are vulnerable, and it can make existing problems worse. The research on long-term brain changes is still limited, because there are no large studies following users for decades, so no one can give an exact picture for any one person. What is clear is that the risk grows with how often and how long a person uses it, and that stopping gives the brain the best chance to recover.

How does long-term Ayahuasca use affect relationships?

It affects relationships by making the person less present, less reliable and harder to reach. Promises are forgotten, events are missed, and the person may be tired or distant in the days after each ceremony. Partners, children and friends slowly stop relying on them, and the closeness that relationships depend on wears down. Communication can also suffer, because the person may find ordinary life less interesting than the ceremony world, while their family wants to talk about rent, school and daily life. The damage is rarely caused by one big event. It is caused by many small let-downs over months and years, and rebuilding trust takes time and consistent effort.

When do long-term Ayahuasca harms appear?

There is no single moment when long-term harms appear. They build up slowly, in small steps, over months and years. At first, the person may only feel tired for a day or two after each use. Over time, the tiredness lasts longer, memory slips become more frequent, mood becomes less steady, and work and relationships start to suffer. Because each change is small, it is easy to explain it away as stress, age or a bad week. Friends and family often notice the pattern before the person does. Keeping a simple record of use, sleep, mood, work and spending, and looking at it honestly every few months, can help to show the pattern earlier.

Can the damage from Ayahuasca be reversed?

In many cases, some of the damage can improve once use stops, but recovery is not guaranteed and it is not always complete. Sleep usually improves first, over weeks. Mood often steadies next, though it can be up and down for a while. Memory and concentration tend to improve more slowly, over months. Work and relationships take the longest, because trust has to be rebuilt. How much recovers depends on how long and how often the person used it, and on their general health, sleep and mood. Stopping is the most important step, and talking to a health professional can help with a plan for recovery.

Can long-term Ayahuasca use damage the body?

Yes, it can. Repeated use means repeated vomiting and diarrhoea, which can leave the body dehydrated and low in the salts it needs. It also means repeated strain on the heart and blood vessels, because the brew raises heart rate and blood pressure. Over time, poor appetite and broken sleep can lead to weight loss, weaker defences against illness, and a general feeling of being unwell. Ayahuasca can also interact dangerously with certain medicines and other substances, and that combination can cause a medical emergency. Anyone who takes regular medicine should talk to a health professional before considering ayahuasca, and the safest advice is not to combine them.

What are the long-term side effects of Ayahuasca?

The long-term side effects can include low mood and anxiety that linger after use, worse memory and concentration, broken sleep, and, in vulnerable people, lasting mental health problems. Physical effects can include repeated strain on the heart and blood vessels, weight loss from poor appetite, and ongoing tiredness. Practical effects include missed work, money spent on ceremonies and travel, and relationships that wear down through forgotten promises and absence. The effects build slowly and are easy to miss at first, which is why they are often noticed late. Stopping use, looking after sleep, and seeking advice from a health professional are the most important steps if these problems appear.

Sources

This article is general information only. It is not individual medical advice. If you are worried about your health, talk to a qualified health professional.