What Does LSD Do to Your Memory

Memory is the thread that holds a life together. It is how you remember where you put your keys, what a friend told you yesterday, what you learned at school or at work, and who you are. When memory works well, you hardly notice it. When it starts to slip, ordinary life becomes harder in dozens of small ways, and those small difficulties add up. LSD is a powerful hallucinogen, and it affects memory in ways that many people do not expect. It does not simply change what a person sees or hears for a few hours. It changes how the brain takes in new information, how it stores that information, and how it brings it back later.

The changes are not always obvious while the drug is active, because the person is often too absorbed in the experience to notice what they are forgetting. It is afterwards, in the quiet days that follow, that the gaps start to show: a conversation that cannot be recalled, a task left half finished, a name that will not come, a lesson that will not stick. For most people these problems fade as the brain recovers, but for some they last longer, especially when LSD is used again and again, or when the experience was very frightening. This article explains, in plain words, what LSD does to memory: how memory normally works, why short-term memory suffers first, why learning becomes harder, what happens to older memories, and when memory problems need professional help. It is general information only, not individual medical advice. It does not describe how to use LSD, and it does not offer any safe way to take it.

How Memory Normally Works

Memory is not one single thing. It is a set of processes that work together, and LSD disturbs several of them at once. The first step is attention. To remember something, you first have to notice it. If you are not paying attention, the information never gets in. The second step is short-term memory, sometimes called working memory. This is the brain’s temporary holding space, where you keep a phone number in mind while you look for a pen, or hold the first half of a sentence in mind while you listen to the second half. It lasts for seconds or minutes, and it can only hold a small amount at a time.

The third step is turning that short-term information into a lasting memory, a process called consolidation. This happens over hours, and it depends heavily on sleep. While you sleep, the brain replays the day’s experiences and files them away in long-term storage. The fourth step is recall: bringing a stored memory back when you need it, whether that is a name, a fact, a route home, or a moment from years ago. All four steps depend on the brain being calm, focused and well rested. LSD disturbs attention, overloads short-term memory, disrupts the filing process and makes recall less reliable, which is why the problems it causes can feel so wide-ranging.

Two parts of the brain matter most here. The hippocampus, a small curved structure deep in the brain, plays a central role in forming new memories. The prefrontal cortex, at the front of the brain, helps with attention, planning and holding information in mind while you work with it. LSD changes activity in both of these areas, and it also changes how they communicate with the rest of the brain. When the normal conversation between these areas breaks down, memory becomes less reliable, not because the memories have been erased, but because the brain cannot file them properly or find them again when they are needed.

What LSD Does to the Brain During Use

LSD acts on the brain’s serotonin system, the same system that helps to regulate mood, sleep and perception. It attaches to docking points called receptors, especially a type called 5-HT2A, and it changes how different parts of the brain talk to each other. Areas that normally work separately start to fire together, while the brain’s usual filters become much weaker. The result is a flood of signals that the brain has to sort through, and that flood makes it very hard to focus on one thing at a time.

During the hours that LSD is active, attention becomes scattered. A person may start a thought and lose it halfway through. They may begin a sentence and forget how it was supposed to end. They may hear a question and be unable to hold it in mind long enough to answer it. This is not because they are careless. It is because the brain is overwhelmed by extra signals, and the short-term holding space is full of things that do not matter, leaving no room for the things that do. Trying to remember something in that state is like trying to write a note in a room where the radio, the television and several conversations are all playing at once.

Time sense is also disturbed, which makes memory harder. Under LSD, minutes can feel like hours, or hours can feel like minutes. A person may feel as if an event happened long ago when it happened a few minutes earlier, or as if something that happened yesterday happened today. When the sense of time is wrong, the order of events becomes confused, and it becomes hard to remember what happened first, what happened next, and what is happening now. Later, when the person tries to describe the experience, the story often comes out in the wrong order, with gaps that cannot be filled. Those gaps are not a sign of dishonesty. They are a sign that the brain could not file the experience properly while the drug was active.

Short-Term Memory Slips First

Short-term memory is usually the first to suffer, and it is the most noticeable in everyday life. This is the memory you use to remember a short instruction, to keep a number in mind, to follow a conversation, or to remember why you walked into a room. Under LSD, and for a while afterwards, this kind of memory becomes unreliable. A person may ask the same question twice in a few minutes, forget a simple instruction almost as soon as it is given, or lose track of a task they started only moments earlier.

The reason is that short-term memory depends on steady attention, and LSD makes attention unstable. The brain keeps being pulled towards new sights, sounds and thoughts, and the thing it was supposed to hold slips away. It is a little like trying to carry water in a cup with a hole in it. You can keep pouring, but the cup never stays full. For a student, this can mean reading the same paragraph several times and still not remembering what it said. For a worker, it can mean forgetting a step in a task and having to start again. For anyone, it can mean the small, daily frustrations of losing track of ordinary things, again and again.

These slips are often worse the day after, when the body is tired and short of sleep. LSD can keep a person awake and alert for many hours, and the lack of sleep on its own makes short-term memory worse. The brain needs sleep to clear away the waste of a long day and to reset its attention systems. Without that rest, the next day’s memory is already weaker before anything else goes wrong. This is one reason the days after an LSD experience can feel foggy and slow, even when the drug itself has left the body. The brain is not only recovering from the drug. It is also recovering from a night without proper sleep.

Learning New Things Becomes Harder

Learning depends on memory, so when memory suffers, learning suffers too. To learn something new, you need to pay attention to it, hold it in short-term memory, connect it to what you already know, and then store it for later. LSD disturbs every one of those steps. A lesson that would normally take an hour to understand can take much longer, or it can seem to make sense in the moment and then vanish completely by the next day. This is especially frustrating for students, because they may feel as if they understood the material, only to discover in an exam or a class that the understanding has gone.

The problem is not only about facts and figures. Learning a practical skill, such as a new task at work, a route to a new place, or the steps of a recipe, also becomes harder. These skills depend on remembering a sequence, and LSD makes sequences hard to hold in mind. A person may remember the first step and the last step but lose the middle ones, or they may do the steps in the wrong order. They may need to be shown the same thing several times before it sticks, which can feel embarrassing and can make other people impatient. Over time, if LSD is used repeatedly, the gaps in learning can add up, and a person can fall behind at school or at work without fully understanding why.

There is also a subtler effect on learning. LSD can make a person feel as if they have learned something deep or important during the experience, when in fact what they remember afterwards is vague, confused or impossible to put into words. The feeling of insight is strong, but the content of the insight often does not survive. This can be disappointing, and it can also be misleading, because the person may act on a feeling of certainty that is not supported by a clear memory of what they actually learned. Real learning is slow, steady and testable. It survives the night and it can be explained to someone else. The feeling of learning that LSD gives often does neither.

Old Memories and Familiar Faces

LSD does not only affect new memories. It can also disturb older ones. A person may struggle to recall a familiar name, a well-known place, or a moment from their own past that they would normally remember easily. This does not mean the memory has been erased. It usually means the brain cannot find the memory at the right moment, because the systems that search for stored information are disturbed. The name is there, but the path to it is blocked. That feeling, of knowing that you know something but being unable to reach it, is frustrating, and it can make a person feel older or less capable than they are.

Familiar faces and places can also feel strange under LSD, which adds to the confusion. A friend’s face may look unfamiliar for a moment, or a familiar street may feel like a place the person has never seen before. This is not a failure of the eyes. It is a failure of the brain to match what it sees with the memory of what it has seen before. When that matching process breaks down, the world feels unfamiliar, and the person can feel lost even in a place they know well. After the drug wears off, that feeling usually fades, but the memory of feeling lost in a familiar place can stay with a person, and it can make them anxious about going back to that place again.

For people who use LSD repeatedly, the disturbance of older memories can become more noticeable. They may find that events from the past feel blurred together, or that they cannot remember clearly whether something really happened or whether they only imagined it during an experience. This confusion between real memories and drug experiences is one of the more worrying effects, because it can make a person doubt their own past. If a memory feels uncertain, it is hard to trust it, and if many memories feel uncertain, it is hard to feel sure about who you are and what your life has been. That uncertainty can last longer than the drug itself.

Focus, Attention and Remembering Together

Memory and attention are closely linked, and LSD weakens both at the same time. Attention is the ability to keep your mind on one thing and ignore distractions. When attention is weak, memory is weak too, because information that is never properly attended to is never properly stored. Under LSD, attention jumps from one thing to another. A sound, a colour, a thought or a feeling can pull the mind away in the middle of a task, and by the time the mind returns, the task has been forgotten.

This shows up in conversation. A person may start to listen to a friend, then lose the thread of what is being said, then realise they have missed the point and feel too embarrassed to ask the friend to repeat it. It shows up in reading, where the eyes move across the page but the meaning does not sink in. It shows up in work, where a person starts a job, gets distracted, starts another job, and ends the day with several half-finished tasks and no clear memory of what was done. These are not signs of laziness. They are signs of a brain whose attention systems are not working properly.

The days after an LSD experience can be especially difficult for attention. The brain is tired, sleep has been poor, and mood may be low. All three of those things make attention worse on their own, and together they can leave a person feeling foggy and slow for days. Simple jobs take longer. Mistakes become more common. The person may feel as if they are thinking through cotton wool, and they may worry that the feeling will never lift. For most people it does lift, with rest, regular sleep and time away from the drug, but while it lasts it can make study, work and family life much harder than usual.

Flashbacks and Confused Memories

Some people who use LSD report flashbacks, brief moments when part of the experience returns without warning, days or weeks later. A pattern on a wall, a bright light, a sound or a sudden feeling of strangeness can bring back a fragment of the drug experience, even though the person has not taken LSD again. Flashbacks are usually short, but they can be frightening, especially if they happen while the person is driving, working or looking after a child. The fear is not only about the flashback itself. It is about not knowing when the next one will come, and whether it will come at a dangerous moment.

Flashbacks can also confuse memory. A person may not be sure, afterwards, whether something they remember really happened, or whether it was part of a flashback. A conversation, a journey or a decision can feel uncertain, and that uncertainty can be hard to live with. Health professionals sometimes describe a condition called hallucinogen persisting perception disorder, in which visual disturbances and a sense of unease keep returning long after the drug has gone. That condition is uncommon, but it is real, and it shows that LSD can change how the brain processes what it sees and remembers, in ways that do not always switch off when the drug leaves the body.

Stress, tiredness and the use of other drugs can make flashbacks more likely, which is another reason rest and support matter after a frightening experience. Anyone who keeps having flashbacks, or who feels confused about what is real and what is not, should talk to a health professional. These are not problems that can be solved by willpower alone, and they are not a sign of weakness. They are a sign that the brain needs time and support to settle, and that the person deserves proper help to get through it.

Can Memory Get Better Again

The question most people ask is whether memory recovers after LSD, and the honest answer is that for many people it does, but it takes time and it depends on the person. If LSD was used once, and the person is otherwise healthy, short-term memory and attention usually return to normal over days or weeks, as the brain settles, sleep returns to a regular pattern, and the body recovers from tiredness. The fog lifts gradually, not all at once. One day a person notices that they can follow a conversation more easily, or that they can read a page and remember what it said, and those small improvements add up.

Recovery is slower when LSD has been used many times, or when the person already had problems with memory, attention or mental health before they used it. In those cases, the brain may need longer to recover, and some difficulties may linger. It is also harder to recover if the person keeps using LSD, because each new experience disturbs the brain again before it has had time to settle from the last one. The single most helpful step, from a health point of view, is to stop using the drug and to give the brain time, rest and regular sleep. There is no shortcut, and there is no medicine that can undo the effects overnight.

There are also practical steps that help memory while it recovers. Regular sleep matters more than anything, because sleep is when the brain files new memories. Regular meals, water and gentle exercise help the brain work better. Writing things down, using lists and keeping a regular routine can take some of the pressure off memory while it is still weak. These are not cures, but they are honest, practical ways to cope while the brain heals. If memory problems last for more than a few weeks, or if they are getting worse, or if they are stopping a person from working, studying or looking after themselves, that is a sign to talk to a doctor. A professional can check for other causes, offer support, and help the person make a plan to recover.

Memory at Work, Study and Home

Memory problems do not stay in one part of life. They spread into work, study and home, and the effects can be seen by other people before the person themselves fully understands what is happening. At work, a person who cannot remember instructions, who loses track of a task halfway through, or who forgets a meeting, can quickly fall behind. It is not that they do not care. It is that their brain cannot hold the information long enough to use it. A supervisor may see the missed steps and think the person is careless, when the real problem is that the short-term holding space in the brain is not working properly. That misunderstanding can lead to warnings, lost shifts or lost trust, which adds stress, which makes memory worse still.

At school or college, the damage can be even more lasting, because learning builds on itself. Each new lesson depends on the one before it. If a student cannot remember yesterday’s lesson, today’s lesson makes less sense, and tomorrow’s makes less sense still. The student may sit in class feeling lost, while other students move ahead. They may study for hours and still fail a test, not because they did not try, but because the information never moved from short-term memory into lasting storage. Over a term, those gaps can add up into a real setback, and the student may start to believe they are simply not clever enough, when the real cause is a drug that disturbed the very system they need to learn.

At home, memory problems show up in the small, daily promises that hold a family together. Remembering to pick up something from the shop, remembering a child’s appointment, remembering a birthday, remembering what a partner asked for yesterday. When those things are forgotten again and again, the people around the person can feel unimportant or unloved, even though the forgetting has nothing to do with love. It has to do with a brain that cannot file and retrieve information reliably. The person who forgets may feel guilty and defensive, and the family may feel hurt and frustrated, and the distance between them can grow without either side understanding why. Keeping lists, writing things down and keeping a regular routine can help while memory recovers, but the real answer is time away from the drug, regular sleep and proper support.

Driving and safety deserve a special mention, because memory and attention matter there more than anywhere else. A driver needs to remember the route, to notice signs and hazards, to hold a plan in mind while watching the road. Under LSD, and in the foggy days afterwards, that ability is weakened. A person may forget where they are going, miss a turn, or fail to notice a danger until it is too late. Flashbacks make this risk worse, because a sudden visual disturbance while driving can be frightening and distracting. Anyone who has used LSD should not drive until they feel fully clear, and anyone who keeps having flashbacks should talk to a doctor before driving at all. It is a simple rule, and it can save a life.

My Take:

I will be honest with you about what stays with me after writing this article, and it is not the strange visions or the odd sounds that people describe. It is the quiet way memory slips away, and how much a life depends on remembering. We do not think about memory when it works. We think about it when it fails, when we cannot remember a name, a promise, a lesson or a moment that mattered. LSD takes that quiet, reliable thing and makes it unreliable, and I think that is a serious harm, even though it does not look dramatic from the outside. There is no broken bone to show. There is only a person who keeps losing track of their own life, and who does not always understand why.

I think short-term memory is the part that people notice first, and the part that causes the most daily trouble. It is one thing to forget a fact from a textbook. It is another thing to forget what someone just told you, or why you walked into a room, or what you were supposed to do next at work. Those small failures are embarrassing, and they are tiring, because you have to keep going back, asking again, starting again. I have sympathy for anyone living with that, because it makes ordinary life feel harder than it should be, and it makes a person feel less capable than they are. The brain is not broken in the way a bone is broken. It is tired, confused and overloaded, and it needs time to recover. But while it recovers, the person still has to live, work and look after the people who depend on them.

Learning is the part I worry about most for young people. A student who cannot remember what they read yesterday is not a lazy student. They are a student whose brain cannot file information properly, and no amount of effort will fix that while the drug is still disturbing the filing system. I think about the exams missed, the lessons that did not stick, the skills that were never learned, and how those gaps can follow a person for years. Education is already hard. It does not need a drug that makes it harder. If a young person is struggling to learn, the answer is not to take something that weakens memory further. The answer is rest, support, good teaching and time, even if that feels slower than a drug that promises a sudden insight.

I also think about older memories, because they are the ones that hold a person’s sense of who they are. Your childhood, your family, your friendships, the moments that made you who you are, all of those live in memory. When LSD makes those memories feel blurred or uncertain, it does more than cause a practical problem. It makes a person doubt their own past, and that doubt can be frightening. I would not wish that on anyone. A memory that you cannot trust is almost worse than a memory you have lost, because it leaves you wondering what is real and what is not. That is a heavy thing to carry, and it is a harm that does not always show up in a medical report, but it shows up in the way a person talks about their own life.

The link between attention and memory is something I keep coming back to, because it explains so much of the damage. You cannot remember what you did not attend to, and LSD makes attention jump around like a light that will not stay still. I think people underestimate how much of daily life depends on steady attention: listening to a friend, following a set of instructions, reading a page, driving safely, looking after a child. All of those need a mind that can stay with one thing for more than a few seconds. When that ability is weakened, life becomes a series of half-finished tasks and half-heard conversations, and the person ends the day feeling as if they have done a lot and remembered very little. That is not a small problem. It is a problem that touches everything.

Flashbacks worry me for a different reason, because they take away a person’s sense of safety in their own mind. Most of us trust that what we see and feel is happening now, in the present. A flashback breaks that trust. A fragment of a drug experience returns without warning, and for a few seconds the person is not sure whether they are in the present or back in the past. That uncertainty is frightening, and it can make a person afraid to drive, to work, or to be alone with a child, because they do not know when it will happen again. I think that fear deserves to be taken seriously. It is not an overreaction. It is a reasonable response to a brain that has stopped behaving predictably, and the person living with it deserves support, not dismissal.

I want to say something plainly about the feeling of insight that LSD can give, because I think it misleads people. During the experience, a person may feel as if they have understood something deep about life, about themselves, or about the world. That feeling is strong, and it can be tempting to trust it. But when the person tries to explain what they learned the next day, the words often will not come, or the idea turns out to be vague, confused or impossible to test. Real understanding is different. It survives the night. It can be written down, explained to someone else, and used the next day. The feeling LSD gives is not the same as understanding, and I think it is important to say that clearly, because people make decisions based on that feeling, and those decisions can be wrong.

If someone I cared about asked me about LSD and memory, I would not start with a lecture. I would ask them what they are trying to remember, or what they are trying to learn, and I would listen, because the answer usually tells you what matters to them. If they are a student, I would say that their memory is their most important tool, and that protecting it is worth more than any single experience. If they are older, I would say that memory is what keeps their life together, and that it deserves to be looked after. And if they have already used LSD and are worried about their memory, I would say that the brain can recover, that rest and time help, and that talking to a doctor is a sensible step, not a sign of failure.

I think recovery is possible, and I want to be clear about that, because hopelessness helps no one. The brain is remarkably good at healing itself when it is given the chance: regular sleep, regular food, time away from the drug, and a calm routine. Those things sound simple, and they are, but they are also powerful. I have read enough about the brain to know that it does not heal overnight, and that a person who expects to feel sharp again the next morning will be disappointed. But I have also read enough to know that, over weeks, the fog does lift for many people, and that the small improvements, remembering a name, finishing a task, following a conversation, add up into something real. Patience is part of the treatment, even though patience is hard when you are worried.

Finally, I want to say this to anyone who is struggling with memory after LSD. You are not stupid, and you are not alone. The problem is not a lack of effort or intelligence. It is a drug that disturbed the systems your brain uses to pay attention, to file information and to find it again. Those systems can recover, and with the right help they usually do, but they need time, rest and support. Write things down while your memory is weak. Keep a regular routine. Sleep properly. Eat properly. And talk to a doctor if the problems last, or if they are stopping you from working, studying or living your life. Asking for help is not a failure. It is the most sensible thing you can do, and it is the first step back to trusting your own memory again.

I think about work, because work is where memory problems become visible to other people, and where they can cost a person their livelihood. A worker who forgets instructions, who loses track of a task, or who cannot remember a safety step is not only at risk of a warning. They are at risk of an accident, especially if the work involves driving, machinery or looking after other people. I would not want anyone to be in that position, and I would not want to be the person who trusted them when their memory was not reliable. If your memory is still foggy after LSD, the honest thing to do is to tell someone, to ask for simpler tasks for a while, and to avoid work that depends on sharp memory and attention until you feel clear again. That is not weakness. It is responsibility.

I also think about the quiet shame that comes with forgetting, because it is a feeling that people do not talk about enough. Forgetting a friend’s name, forgetting a promise, forgetting what you were supposed to do, all of those feel embarrassing, and the embarrassment can make a person withdraw. They stop asking questions, because they do not want to admit they have forgotten. They stop going to gatherings, because they are afraid of being caught out. They stop trying to learn new things, because they are afraid of failing. That withdrawal makes the memory worse, because a brain that is not used, that is not stretched by conversation and learning, does not recover as quickly. I would say to anyone in that position: do not hide the problem. Tell a trusted person, write things down, and keep showing up. The embarrassment is real, but it is smaller than the harm of withdrawing from life.

There is a point about honesty that I want to make plainly. Some people who use LSD will tell you that their memory is fine, that they remember everything, that the drug made them sharper. I do not doubt that they believe it. But believing your memory is good is not the same as your memory being good. LSD can make a person feel confident about things they have actually remembered wrongly, and that false confidence can be dangerous, because it stops the person from checking, from writing things down, from asking for help. The only honest test of memory is whether you can remember things when you need them, in real life, over days and weeks. If you cannot, then the feeling of confidence does not matter. The facts matter, and the facts are in the forgotten appointments, the lost instructions and the lessons that did not stick.

I want to say something about patience, because recovery from memory problems is slow, and slow recovery is frustrating. A person who expects to feel sharp again in a day or two will be disappointed, and disappointment can turn into hopelessness, which can turn into a decision to use LSD again, in the hope of feeling better. That is a trap, and I would warn anyone against it. The brain heals gradually, like a bruise fading, not like a light switching on. One day you remember a name without effort. Another day you follow a conversation without losing the thread. Those small wins are the real signs of recovery, and they deserve to be noticed, even if they feel small. Keep a note of them if it helps. They are proof that your brain is healing, even when the healing feels too slow to see.

Finally, I would ask you to think about what memory is for. It is not only for passing exams or doing a job. It is for remembering the people you love, the moments that mattered, the promises you made and the person you are trying to become. A drug that weakens memory weakens all of those things, quietly and without drama, until one day you realise that parts of your life feel blurred or missing. That is a high price to pay for a few hours of intensity, and I do not think it is a price that is talked about honestly enough. Protect your memory. Sleep properly, eat properly, keep a routine, write things down, and give your brain the time it needs to heal. Your memory is not a small thing. It is the story of your life, and it deserves to be looked after.

Frequently Asked Questions

Why does LSD make you forget things?

LSD disturbs the brain systems that handle attention and memory, especially the serotonin system and the areas that form new memories. During the drug’s effects, attention jumps from one thing to another, so information is never properly taken in or filed away. Short-term memory becomes unreliable, and the brain struggles to turn new experiences into lasting memories. Tiredness and poor sleep after the experience make the problem worse. The forgetting is not usually because memories have been erased, but because the brain could not store them properly in the first place.

How long do LSD memory problems last?

For many people, memory problems are worst during the drug’s effects and for a day or two afterwards, when tiredness and poor sleep add to the fog. Attention and short-term memory usually improve over days or weeks as the brain settles and sleep returns to normal. If LSD has been used many times, or if the person already had memory or mental health difficulties, recovery can take longer. Memory problems that last more than a few weeks, or that keep getting worse, should be discussed with a doctor.

Does LSD cause short-term memory loss?

Yes, LSD can cause short-term memory problems, both during the experience and afterwards. Short-term memory is the brain’s temporary holding space, used to remember a short instruction, a number, or the first half of a sentence while listening to the second half. LSD makes attention unstable, so that holding space fills with distractions and the important information slips away. A person may ask the same question twice, forget an instruction almost at once, or lose track of a task they started moments earlier.

Does LSD affect learning and study?

Yes, LSD can make learning and study much harder. Learning depends on paying attention, holding information in short-term memory, connecting it to what you already know, and storing it for later, and LSD disturbs each of those steps. A lesson may seem to make sense in the moment and then be forgotten by the next day. Practical skills that depend on remembering a sequence also become harder. Repeated use can leave a student falling behind without fully understanding why, which is why LSD is a serious risk for anyone who is studying or learning a new skill.

Can memory recover after LSD?

For many people, yes, memory does recover, but it takes time. After a single use, attention and short-term memory usually return to normal over days or weeks, as the brain settles, sleep improves and the body recovers from tiredness. Recovery is slower after repeated use, and some difficulties may linger. Stopping LSD, sleeping regularly, eating well and keeping a calm routine all help the brain heal. There is no quick fix, and if memory problems last for more than a few weeks, a doctor should be consulted.

Can LSD damage your memory?

LSD can damage memory in the sense that it disturbs how the brain forms, stores and recalls memories, and in some people those disturbances last longer than the drug itself. The risk is greater with repeated use, with a frightening experience, or when the person already had memory or mental health problems. In a small number of people, flashbacks and lasting changes in how the brain processes information can continue for months. Anyone whose memory is not improving, or is getting worse after LSD, should seek professional help.

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.