Make room for sleep.
Keep a regular bedtime and waking time. Give yourself a quiet wind-down period in the evening.
Tonight: leave a little space to unwind.
Read the full chapter
EVERYDAY HEALTH, EXPLAINED SIMPLY
A practical starting point for looking after your sleep, food, movement and peace of mind.
Start with the basicsSMALL STEPS. REAL LIFE.
You do not need to change everything at once. Pick one habit that fits your day, then build from there.
Keep a regular bedtime and waking time. Give yourself a quiet wind-down period in the evening.
Tonight: leave a little space to unwind.
Read the full chapterWalking, wheeling, cycling and everyday movement all count. Start at a level that suits your health and ability.
Today: find a comfortable way to move.
Read the full chapterInclude vegetables, fruit, whole grains and sources of protein. A varied, balanced diet matters more than a single “superfood”.
Next meal: add some variety.
Read the full chapterTake a brief break, try a calming breathing exercise or talk with someone you trust when life feels stressful.
Today: make time for a small pause.
Read the full chapterChapter 01
Feeling older than your years is a description, not a diagnosis. You might mean that mornings take longer, ordinary tasks feel harder, your concentration drifts, or you have less interest in the things you normally enjoy. Those experiences deserve attention. They do not prove that your body is failing, that you lack willpower, or that one missing ingredient explains everything. A useful starting point is to replace the broad label with a few clear observations about your own day.
Sleepiness is the feeling that you could fall asleep. Fatigue can feel more like a lack of physical or mental energy, even when you are not about to doze off. A packed schedule can leave you exhausted without telling you anything specific about your health. These experiences can overlap. Describing them accurately helps a healthcare professional understand your concern, and helps you avoid choosing a solution simply because an advertisement uses the same word you use.
Think about when the change started. Was it gradual, or did it arrive after an illness, a new medicine, a change in work hours, or a difficult event? Does it happen every day, only after certain activities, or mainly when you have slept badly? You do not need to work out the cause yourself. The purpose is to notice the pattern, including what has changed from your usual level of functioning, rather than compare yourself with someone else's routine.
A notebook can be enough. For several days, write down roughly when you slept, whether you felt refreshed, when you ate, what movement you managed, and when your energy changed. Add any symptoms you want to discuss and any medicine or supplement changes. Keep this to a few lines. The record is a conversation aid, not a test you can pass, and there is no need to count every bite, minute or heartbeat.
Record the circumstances as well as the behaviour. “Skipped lunch because my shift had no break” says more than “ate badly.” “Woke three times to care for someone” is different from “went to bed late.” These details can reveal a practical problem that deserves practical support. They also prevent a habit diary from becoming another way to blame yourself for circumstances you did not choose.
Ask which part of the day currently creates the most difficulty. If evenings are rushed, preparing tomorrow's lunch may be more useful than designing an elaborate morning routine. If you rarely leave your desk, an accessible opportunity to move may be the first thing to explore. If symptoms are persistent or getting worse, arranging medical advice comes before building a lifestyle plan. The best first step depends on the problem in front of you.
Use a small experiment to test whether a change fits your life, not to diagnose an illness. For example, set aside a quieter period before bed and notice whether that period is realistically available. You may discover that household arrangements need changing before any sleep advice becomes workable. An experiment can succeed by showing you what support you need, even if you do not feel noticeably different after a few days.
Everyday habits matter, but they do not explain every symptom and cannot guarantee a particular result. Income, housing, disability, caring responsibilities, working conditions and access to healthcare all affect what is possible. A guide should make your options clearer, not pretend that everyone starts with the same resources. Choose suggestions that suit your circumstances and adapt them with professional advice when a health condition affects what you can safely do.
Read the next chapters as a menu. You do not need a perfect sleep routine, a new exercise identity and a complete kitchen overhaul this week. You need an honest picture of how you feel, one useful next step, and a clear route to help when everyday changes are not enough. Progress may mean preparing a question for an appointment, asking for a break at work, or making one regular meal easier to manage.
Related guidance and sources
Chapter 02
Sleep is not just the time left over after everything else is finished. It is part of looking after your health, and both its length and its quality matter. A full night in bed can still feel unrefreshing when sleep is repeatedly interrupted. Equally, a highly polished bedtime ritual cannot create enough rest if your schedule leaves too little time to sleep. Start by looking at the whole evening and morning, including the demands you cannot simply switch off.
A fairly consistent waking time and a regular opportunity to sleep can provide a useful foundation. Choose a rhythm that fits your actual responsibilities rather than an ideal schedule from someone online. If you work shifts or care for a child or relative overnight, your options may be constrained. In that situation, discuss practical adjustments with the people involved and seek individual advice if tiredness is affecting safety or daily life.
Look at the transition into bed. Some people finish work and immediately expect their mind to become quiet. Others use the late evening as their only personal time. Neither situation is unusual. You might try a short period for putting away tomorrow's tasks, washing, reading something gentle, or listening to quiet music. The aim is a repeatable transition that you find comfortable, not a ritual with a long shopping list.
Notice light, noise and temperature. A comfortable sleeping space does not require expensive equipment, and “comfortable” will differ between people. Close a curtain if street lighting bothers you, move a noisy device if possible, and make the bed easy to use. In a shared home, an agreement about late television or early alarms may be more valuable than buying a new sleep product. Start with the disturbance you actually notice.
Give evening technology a specific boundary. That might mean leaving work messages until morning, charging a phone away from the pillow, or choosing a stopping point before starting another episode. If the phone is needed for caregiving or accessibility, preserve those functions. You do not need to make your home technology-free. You are trying to reduce the particular interruptions or absorbing activities that repeatedly push sleep out of the available time.
Caffeine can interfere with sleep, including when it is consumed earlier than you expect. Coffee is not the only source: tea, energy drinks and some other products contain it too. If sleep is difficult, note your timing and discuss changes when appropriate. Alcohol is not a reliable sleep aid. A drink that makes you feel drowsy does not establish that the sleep which follows will be restorative.
If you nap, note when and how you feel afterwards. Long or late naps can be unhelpful for some people who struggle at night, while individual needs differ. Avoid creating an inflexible rule from one day's experience. A sleep diary can help a clinician see the overall pattern. Do not start sleeping tablets, herbal sedatives or a supplement stack simply because a bedtime routine has not solved the problem.
Persistent difficulty sleeping, substantial daytime sleepiness, loud snoring with witnessed breathing pauses, or waking with gasping deserve medical discussion. You cannot diagnose a sleep disorder from a phone app or the number of hours shown on a watch. Tell the clinician what you or someone close to you has noticed, how long it has been happening, and whether it affects driving, work or your ability to stay alert.
Do not drive or use dangerous equipment when you are too sleepy to do so safely. Seek appropriate help rather than trying to force alertness with more caffeine. For ordinary routine changes, judge practicality before perfection: did you have a protected opportunity to rest, and what interrupted it? A difficult night is information, not a failure. If the same problem keeps returning, the useful next step may be assessment rather than another bedroom purchase.
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Chapter 03
Physical activity includes much more than formal exercise. Walking, wheeling, dancing, cycling, some household tasks and accessible recreation can all involve meaningful movement. You do not have to join a gym or identify as a sporty person to explore a more active routine. The important questions are what is safe for you, what you can access, and what you might realistically repeat. Start from your current capacity, including any symptoms, disability or recovery needs.
Think of a specific opportunity rather than a vague promise to “exercise more.” Perhaps there is a level path near home, a chair-based class you can access, a short walk with a friend, or music you like moving to indoors. If an option requires travel, equipment and a free evening you rarely have, it may not be the right starting point. A convenient activity you enjoy has a different practical value from an impressive plan you cannot use.
Choose the scale conservatively. A comfortable, brief introduction can help you learn how an activity feels. Someone returning after illness, managing a condition, or concerned about falling may need professional advice about a safe starting level. This guide does not prescribe a training programme. Stop and seek advice about concerning symptoms rather than treating pain, dizziness or unusual breathlessness as evidence that you are doing enough.
An active life can involve endurance, strength and balance, with flexibility supporting comfortable movement. These are related but not interchangeable. Being able to walk a distance does not automatically tell you how safe you feel on stairs, and stretching does not replace strength work. A qualified professional can help adapt activities to your situation, especially when you have mobility limitations, injuries or a condition that changes how you respond to exertion.
Set a goal in everyday language. You might want to feel more confident getting up from a chair, enjoy an outing, or have a regular reason to leave the house. These goals describe something you value. They can also guide a conversation with a physiotherapist or exercise professional more usefully than asking for the hardest possible programme. Your body does not need to look a certain way for those goals to be worthwhile.
If you spend long periods sitting and can comfortably change position, look for natural breaks: the end of a task, a telephone call, or a trip to make a drink. An accessible movement break can fit those moments. People who cannot stand can still discuss suitable ways to vary activity with their care team. The practical objective is to find opportunities that match your ability, not to impose one universal instruction on every body.
Prepare for the ordinary obstacles. Bad weather might call for an indoor option. A difficult workday might call for a smaller activity, and a flare of symptoms may call for rest or clinical advice. Lay out what you need, check whether a route is accessible, or arrange a meeting time with a friend. Removing one obstacle is often a more useful planning task than continually increasing the target.
More activity is not automatically better for every situation. Some illnesses cause a marked worsening of symptoms after exertion, sometimes delayed until later or the following day. If that pattern applies to you, do not use a general fitness guide to push through it. Conditions such as ME/CFS require individual management, and your healthcare professional can discuss pacing and other appropriate support. A rigid plan of continual increases may be unsuitable.
Notice your response over time without demanding a daily improvement. Enjoyment, confidence and making an activity accessible are useful observations alongside physical changes. Rest is part of a realistic routine. If you miss a planned session, return to an appropriate level rather than “making up for it” with an unusually hard effort. The goal is movement that supports your life and health, not a contest against a calendar or somebody else's step count.
Related guidance and sources
Chapter 04
Eating well is a pattern across days and weeks, not a judgment about one meal. A varied diet can include vegetables and fruit, higher-fibre starchy foods, appropriate protein sources, and dairy or suitable alternatives. Individual requirements vary, especially with medical conditions, allergies or a history of difficulties around eating. You do not need a fashionable ingredient to begin. Start by asking whether the food available to you is adequate, varied, enjoyable and practical to prepare.
Choose a few ordinary combinations you actually like. A meal might include beans, rice and vegetables; eggs, bread and tomatoes; fish with potatoes and greens; or tofu with noodles and mixed vegetables. These are examples, not prescribed menus. Portion needs differ. The useful principle is to include variety using foods that suit your culture, budget, preferences and health needs, rather than copy a photograph that bears little relation to your kitchen.
If mornings are rushed, choose a breakfast you can prepare with little effort. If your main problem is the gap between work and dinner, think about what food is available then. A simple meal or snack that is ready when needed may be more useful than a plan that requires lengthy preparation while you are already hungry and tired. Look for the part of the day where a little preparation would remove the most difficulty.
Check what you already have before making a shopping list. Choose a few meals that share ingredients so you are not buying a completely different set of foods for every day. Frozen vegetables, canned pulses and other convenient foods can help, depending on what is available locally. Compare labels where useful, including salt or added sugar, but do not assume that the most expensive packaging contains the most suitable option for you.
Preparation demands matter. If chopping is painful, consider accessible tools, suitable prepared ingredients or support with shopping and cooking. If you live alone, freezing appropriate portions can make cooking feel more worthwhile; follow local food-safety advice about storage and reheating. If the problem is not having enough money or food, look for local practical assistance. A nutrition plan cannot solve food insecurity by asking someone to be more disciplined.
Make ordinary drinking opportunities easy to remember, such as having a drink available with meals or during a break. Needs vary with health, climate and activity. There is no universal number of large bottles that every adult should force down. If your clinician has advised a fluid restriction or another specific plan, that advice takes priority. People who struggle to swallow or regularly forget to drink may need individual support.
Consider what your drinks are doing in your routine. A succession of caffeinated drinks may be masking an overly demanding schedule without fixing it. Sweetened drinks or alcohol may have become an automatic addition you would prefer to reconsider. You can make a practical substitution without turning every drink into a calculation. Water is a straightforward option for many people, while medical needs and personal circumstances still matter.
Feeling low in energy is not a reason to remove several food groups, start prolonged fasting or assume you need rapid weight loss. Restrictive plans can make it harder to meet nutritional needs and may be particularly unsuitable when you are already unwell. If you are losing weight unintentionally, struggling to eat, or have a persistent change in appetite, arrange professional advice instead of treating it as a successful lifestyle change.
Supplements may have a role for particular needs, but fatigue alone does not identify a deficiency or tell you a safe dose. Discuss concerns with a clinician or pharmacist, especially if you take medicines. Avoid replacing meals with products that promise to restore energy or reverse ageing. A useful first improvement may be as simple as making lunch reliable, keeping accessible ingredients at home, or asking for help with a problem that prevents you from eating comfortably.
Chapter 05
Stress does not always announce itself as worry. You may notice that you are irritable, cannot switch off, struggle to concentrate, or feel that even small demands are too much. These experiences can have several causes, and a website cannot tell you which applies. What you can do is look at the demands in your day and identify where support, a boundary or a practical change might help. Relaxation is useful, but it is not a substitute for addressing an unsafe or unmanageable situation.
Write down the things currently taking your attention. Include responsibilities that other people do not see: remembering appointments, arranging care, managing bills, making decisions and being available for messages. A task may take only a few minutes to perform while occupying your mind for much longer. Naming that work can make a conversation with a partner, colleague or support service more concrete. “I need help arranging these appointments” is easier to act on than “everything is too much.”
Separate what needs action today from what can wait and what requires somebody else's involvement. This is not about completing a perfect productivity system. It is about giving yourself permission to leave some things unfinished and asking whether the workload is reasonable. If there is no realistic way to fit the demands into the available time, the plan needs a change in demands or support, not a more elaborate morning routine.
A break can be quiet without being complicated. You might sit somewhere comfortable, listen to a familiar song, step outside if accessible, or focus briefly on gentle, unforced breathing. If a breathing exercise makes you uncomfortable or dizzy, stop. Some people find stillness difficult and prefer a low-pressure activity such as drawing, knitting or tending a plant. Choose something that gives your attention a different task without adding another performance target.
Notice whether your usual break is really a continuation of the same pressure. Reading upsetting messages while eating lunch may leave you no sense of pause. It could help to put the phone aside for part of the meal or decide when you will next check it. Keep essential communication available. A boundary is most useful when it is specific and possible to maintain, rather than a sweeping rule you have to abandon immediately.
Connection does not require a full social calendar. A regular conversation with a trusted person, a community activity, or a shared practical task can give you a place to talk and feel less alone. If you would like help, be clear about whether you need someone to listen, help with a job, or support you in arranging professional care. Other people may be willing but unsure what would be useful.
Relationships should not be another obligation to perform perfectly. You can suggest a shorter visit, a quieter setting, or a different way of staying in touch. If your usual contacts feel unsafe or dismissive, consider a qualified professional or an appropriate local support service. Online communities may offer companionship, but take care with personal information and with advice that pressures you to stop treatment or buy a particular product.
Persistent low mood, anxiety, loss of interest, or difficulty coping with ordinary tasks deserves professional attention. You do not need to reach a crisis before seeking help. Explain the effect on sleep, eating, work, relationships and day-to-day functioning. Support can include a range of approaches suited to the person; a general article cannot decide which you need. Difficult feelings are not evidence of a character flaw or a failure to think positively.
If you may hurt yourself, feel unable to stay safe, or are in immediate danger, contact local emergency or crisis services now and involve a trusted person if possible. For less urgent situations, choose a small next action: book an appointment, ask someone to accompany you, or write down what you want to say. Self-care should support access to care. It should never become a list you must finish before you are allowed to ask for it.
Related guidance and sources
Chapter 06
A useful plan fits an ordinary week, including its interruptions. It does not depend on waking with unlimited motivation or having a completely free kitchen, calendar and budget. Treat the following seven-day outline as an example of organising your attention, not a treatment programme or a promise to improve symptoms within a week. If you are unwell, recovering, or following a clinical plan, adapt it with your care team and put needed medical advice first.
Write one sentence about what you would like to make easier. Be specific: “I get to the evening without having eaten a proper lunch,” or “I keep answering work messages after I intended to go to bed.” Choose something you have some ability to influence. If the sentence is about persistent symptoms, make arranging an appointment the next step. Do not convert every health concern into a habit challenge simply because a challenge feels more controllable.
Then choose a small action connected to that problem. Identify when and where it could happen, what you would need, and who else might be involved. For a lunch plan, that might mean checking the work fridge and choosing two portable meals. For an evening boundary, it might mean agreeing which messages genuinely require a response. Planning should remove a barrier, not generate a long list of new tasks.
Try the action at a modest scale. Put an accessible ingredient where you can find it, decide on a short comfortable movement option, or set a reminder to begin winding down. Use a reminder only if it helps; a constant stream of notifications can become another source of pressure. The question is whether the arrangement makes the desired action easier at the moment you need it.
After the first attempt, look for friction. Perhaps the food takes too long to prepare, the route is not accessible, or your quiet time conflicts with somebody else's schedule. Change the arrangement rather than immediately judging your commitment. A smaller version or a different time may fit better. Write down what you learned in ordinary words, without needing a numerical score for every part of the experience.
Create a fallback that still respects your health. A fallback meal might use convenient ingredients. A planned activity might become a shorter appropriate option, or rest if symptoms require it. A bedtime plan might focus on one boundary rather than the whole routine. The point is not to preserve a streak at any cost. It is to make sensible choices when your time, ability or energy is different from what you expected.
Ask whether another person can remove one obstacle. They might collect groceries, share a household task, join a gentle outing, or help you protect an agreed break. Be clear about the request and its timing. If the obstacle is structural, such as an unpredictable shift or inadequate access to care, recognise that it may require more than a personal workaround. Seeking support is part of planning, not evidence that the plan has failed.
Review what was practical, what you enjoyed, and what remained difficult. Separate making the habit possible from any change in symptoms. A week can teach you about your routine, but it cannot prove the cause of fatigue or establish that a medical problem has resolved. If symptoms continue, worsen, or affect daily functioning, arrange appropriate care instead of repeatedly extending the experiment.
Keep the useful part and adjust the rest. You might continue the same small action for longer before adding anything new. You may also decide it was the wrong action and choose a different problem to work on. Avoid responding to a missed day with restrictions or unusually strenuous effort. A sustainable plan needs room for illness, travel, celebrations, caring duties and ordinary changes of mind.
Progress might mean fewer last-minute food decisions, a more predictable chance to rest, or a clearer conversation with a clinician. It does not have to appear as a different number on a scale or watch. Pick an observation that connects to your original concern. If monitoring begins to make you anxious or preoccupied, simplify it or discuss that response with a professional. A plan should make life easier to navigate, not make you feel watched by your own checklist.
Chapter 07
General wellbeing information is useful for everyday decisions, but persistent or unexplained tiredness needs a different kind of attention. If fatigue lasts for weeks, interferes with your daily life, or comes with other symptoms, contact an appropriate healthcare professional. Do not assume that it is inevitable ageing. There are many possible causes, and identifying them depends on your history, examination and sometimes tests chosen for your situation. A web page cannot safely make that assessment.
Tell the clinician when the problem began, whether it is constant or intermittent, and what you can no longer do as comfortably as before. Mention associated symptoms such as changes in appetite or weight, sleep disruption, breathing difficulties, mood changes or unusual pain. You do not have to decide which details are medically important in advance. Bring your short record if you have one, and identify the concern that matters most to you.
List prescription medicines, over-the-counter products and supplements, including recent changes. If you can, bring the packaging or a clear list of names and doses. Do not stop prescribed treatment on the basis of an article. A pharmacist or prescriber can review whether a product might contribute to symptoms and what an appropriate next step would be. “Natural” products belong in the same conversation because they can have effects and interactions too.
Useful questions include: what possibilities are being considered, what would a proposed test tell us, what can I do safely while waiting, and when should I come back? Ask which symptoms would mean seeking help sooner. If an explanation is unfamiliar, ask for it in plain language or written down. Understanding the plan matters more than appearing to understand quickly during a short appointment.
You can also discuss practical barriers. Explain if appointments are hard to attend, a recommended meal pattern is unaffordable, or physical limitations make a suggestion unsuitable. A plan can only help if it is possible to follow. If you want support, bring a trusted person with your permission or ask about interpreting and accessibility services. Your ability to describe a problem should not depend on remembering every detail under pressure.
New severe chest pain, serious difficulty breathing, signs of stroke, collapse, or sudden confusion can be emergencies. Contact local emergency services when these occur rather than waiting to see whether sleep, food or a supplement helps. This is not an exhaustive list. If you believe someone is in immediate danger, seek urgent help. The appropriate service and telephone number depend on where you are, which may be different from the language you selected on this website.
For symptoms that are not clearly an emergency but are new, worsening or worrying, use local urgent medical advice services. Do not rely on an online checklist to rule out a serious problem. Children, pregnant people and people with complex medical conditions may need different advice from the general adult information here. Individual circumstances, including recent illness or treatment, change how symptoms should be assessed.
Ask how and when you will receive results and who to contact if they do not arrive. A normal result on one test does not automatically explain ongoing symptoms, and an abnormal result needs interpretation in context. If you are still struggling, return with an update about what has changed or remained difficult. Avoid ordering repeated panels or taking high-dose products just to feel that you are doing something while the cause is uncertain.
Your role is not to diagnose yourself perfectly before seeking help. It is to describe your experience and participate in decisions about care. Keeping copies of your own questions, medicine list and agreed next steps can make that process easier. If a recommendation is unclear, ask again. A practical, understood plan with an appropriate review point is more useful than a collection of internet explanations that have never been assessed for you.
Related guidance and sources
Chapter 08
Health advice can sound confident long before the evidence deserves that confidence. A dramatic story, a scientific-looking graphic or a familiar public figure does not establish that an explanation is correct. When you feel tired or worried, a simple answer can be especially appealing. Give yourself time to separate the experience an article describes from the product or conclusion it is trying to sell. You can recognise yourself in a story without accepting every claim attached to it.
Look for the organisation, author, date and original evidence. A link to research is more useful when the research actually concerns the claim being made. Ask whether the study involved people like you, whether it studied the complete product or only one ingredient, and what outcome was measured. A laboratory finding does not automatically establish a benefit in everyday life, and a change in a biological marker is not always the same as feeling better.
Read beyond the headline when you can. Did the study compare groups? Was it small or short? Were there important limitations or side effects? You do not need to become a researcher to ask those questions. If the answer would influence a treatment decision, discuss it with a qualified professional. A credible explanation should tolerate questions and uncertainty rather than insist that hesitation means you are missing a once-only opportunity.
Someone's account can be sincere and still fail to show what caused their improvement. They may have changed several things at once, recovered naturally, or had circumstances different from yours. Photographs and reviews do not establish how typical a result is. Look for whether outcomes, limitations and relevant risks are described in a balanced way. Be especially cautious when an article uses a personal story to promise the same result for everyone.
Claims that a single food, capsule or morning habit will reverse ageing or solve many unrelated problems need strong evidence. A countdown or discount does not improve that evidence. You can leave the page, check independent information and return later if you still wish to consider it. Health decisions do not become better simply because they are made under pressure, and a purchase is not a substitute for appropriate evaluation of symptoms.
An affiliate link may earn the publisher a commission if someone buys. That relationship should be disclosed where relevant. It does not by itself prove that a claim is false, but it gives you context for why a page emphasises a particular product. The informational guide here is separate from commercial articles elsewhere on this domain. References to public health organisations do not mean those organisations endorse the website, its publisher or any advertised product.
Before buying a health product, check the actual seller, ingredients, instructions, price, delivery conditions and whether an order repeats. Read the cancellation and returns terms on the merchant's own site. For supplements, ask a pharmacist or clinician about suitability and interactions when relevant. Keep a record of what you ordered. These practical checks are useful even when the marketing looks professional and the story feels persuasive.
The references below include public health and medical information from established organisations. They provide context for general guidance; they cannot know your medical history. Some linked pages are in English and describe services in a particular country. Use a reliable local source for emergency contact details, access to care and country-specific recommendations. Translated information should preserve the underlying meaning, while acknowledging that healthcare systems and available services differ.
If a piece of advice conflicts with your existing care plan, ask the professional responsible for that plan before changing it. Bring the link or exact wording so the conversation is specific. If you cannot tell who wrote a claim, what supports it or what it leaves uncertain, pause. A useful health guide should help you make more informed choices, recognise when to seek help, and feel less dependent on the next dramatic headline.
Related guidance and sources
OUR APPROACH
Why You Feel Old is a general health information website for adults. Our detailed guide combines practical examples with links to established public health resources. It covers everyday habits, the limits of self-care and when to ask for professional advice.
If unexplained tiredness lasts for a few weeks or affects daily life, speak with a qualified healthcare professional. Do not use this website to diagnose yourself or delay care.
When to seek adviceSources
The guidance above draws on these public resources. Links lead to English-language sources. These organisations do not endorse this website.