What Happens Inside a Medical Longevity Program? Risk Assessment, Screening and the Plan

The waiting room has a water feature and a stack of questionnaires. A woman in her early fifties fills them in with a pen that keeps running dry, ticking boxes about her sleep, her mother’s stroke, the thyroid tablets her sister takes, and how many flights of stairs leave her winded. She is not sick. She booked because a friend described a longevity assessment as the most thorough check she had ever had, and because the word longevity sounds like a plan rather than a worry.

That is the moment most people arrive at when they ask what does a longevity program involve. They are healthy enough to have a choice and curious enough to spend a morning on it. What they want is a straight account of what happens inside those appointments: which tests earn their place, which ones are marketing, and what the plan at the end actually asks of them.

The honest answer is less glamorous and more useful than the brochures suggest. Most of it is preventive medicine done carefully, with a few genuinely new tools and a few that have run ahead of the evidence.

What does a longevity program involve, step by step?

Strip away the language and a longevity program is a structured preventive-health pathway. It has a beginning, a middle and a long tail, and each stage has a job.

The beginning is intake. Expect a long conversation, often 45 to 60 minutes, covering family history, past illnesses, medicines and supplements, sleep, mood, alcohol, activity and diet. A clinician then examines you: blood pressure, resting heart rate, height, weight, waist circumference, a look at the skin, thyroid gland, heart and lung sounds. This part looks old-fashioned because it is, and because the American Heart Association’s Life’s Essential 8 framework still rests on exactly these measurable basics: diet, activity, nicotine exposure, sleep, weight, cholesterol, blood glucose and blood pressure.

The middle is measurement. Blood is drawn for a standard metabolic and cardiovascular panel, and depending on your age and history, screening tests are booked: imaging, a bowel screening test, a cervical or breast screening, a bone density scan. Some programs add body composition analysis, fitness testing on a treadmill or bike, and questionnaire-based cognitive screening.

The long tail is the plan and its follow-up. A written document sets out what your numbers mean, which risks stand out, and which changes or referrals are proposed. Then the cycle repeats at intervals of months, because the markers being tracked, such as glycated hemoglobin, reflect weeks of physiology rather than a single day.

What a program does not involve, in any evidence-based form, is a single test that reads your remaining lifespan, or a treatment that reverses aging. If a description leans on those ideas, treat it as the sales floor rather than the clinic.

Longevity clinic: what to expect at the first visit

The first appointment sets the tone, and a good one feels closer to a careful primary-care visit than to a spa.

You will usually be asked to bring or upload prior records: previous blood results, imaging reports, a list of medicines and supplements with the actual bottles if possible. Family history matters more here than in most consultations. A parent with a heart attack before 60, a sibling with bowel cancer, a grandmother with a hip fracture or an autoimmune thyroid condition each shifts which screenings are worth doing and when.

Then come the questionnaires. Some are validated tools used in mainstream medicine: sleep quality scales, depression and anxiety screens, alcohol-use screens, frailty or falls-risk questions in older adults. Others are program-specific and less rigorously tested. Ask which is which; a clinician who knows the difference will tell you readily.

The physical examination is where a longevity visit often outperforms a rushed annual check simply by having time. Blood pressure should be measured seated, after a few minutes of rest, ideally more than once. The AHA treats readings below 120/80 mm Hg as optimal in its Life’s Essential 8 scoring, and higher bands carry progressively more weight, so a single hurried reading can mislabel you in either direction.

Expect the visit to end without conclusions. Results take days to return, and a responsible team will not sketch a plan before seeing them. You should leave with a clear list of what was ordered, why each test was chosen, and when the results conversation will happen. If you leave with a supplement list instead, that is worth noticing.

Longevity blood tests list: what is usually measured and why

The blood panel is the spine of the assessment. Most of it is ordinary medicine; the value is in seeing the results together and against your history rather than in any exotic marker.

Test	What it measures	Why it is included
Lipid profile	Total, LDL and HDL cholesterol, triglycerides	Core input for cardiovascular risk estimation
Glycated hemoglobin (A1c)	Average blood glucose over roughly the past 2 to 3 months	Identifies prediabetes and diabetes; 5.7 to 6.4 percent is the prediabetes range and 6.5 percent or above indicates diabetes (Cleveland Clinic)
Fasting glucose and insulin	Current glucose and the hormone that moves it into cells	Flags insulin resistance earlier than A1c alone
TSH, with free T4 if needed	Thyroid-stimulating hormone, the pituitary signal that controls thyroid output	Screens for under- or overactive thyroid (MedlinePlus)
Kidney and liver panels	Creatinine, eGFR, liver enzymes	Detects silent organ strain and guides safe prescribing
Full blood count and ferritin	Red and white cells, iron stores	Anemia, infection, inflammation
Vitamin D and B12	Nutrient status	Deficiency is common and treatable; the NIH Office of Dietary Supplements sets the reference ranges used
hs-CRP	High-sensitivity C-reactive protein, a marker of low-grade inflammation	Adds modest information to cardiovascular risk
Lipoprotein(a), ApoB	Inherited cholesterol particle; count of atherogenic particles	Increasingly used to refine risk in people with family history

Two cautions. First, wider panels produce more borderline results, and each borderline result invites another test. Second, some programs sell biological-age scores derived from DNA methylation, the chemical tags that switch genes on and off. These are legitimate research tools, but no major guideline currently recommends them for individual decisions, and the number they return should not change what you or your clinician do.

Where do thyroid and hormones fit into a longevity assessment?

Hormones are where longevity medicine attracts the most hope and the most overreach, so it helps to separate the screening from the selling.

Thyroid screening is straightforward and well justified. The thyroid gland regulates metabolic rate, heart rhythm and temperature, and its disorders become more common with age, particularly in women. A TSH test, which measures the pituitary hormone that instructs the thyroid, is the standard first step; MedlinePlus describes it as the usual screening test because TSH rises when the thyroid underperforms and falls when it overproduces. An abnormal TSH is followed by free T4 and sometimes thyroid antibodies. Treating a genuinely underactive thyroid improves energy, cholesterol and heart function, and that is a decision for the treating clinician based on repeated results, not a single reading.

Sex hormones are more complicated. Testosterone falls gradually in men with age, and estrogen drops sharply around menopause. Menopausal hormone therapy is prescribed to manage symptoms such as hot flashes and to protect bone in appropriate candidates; it is not prescribed to extend life, and its risks and benefits depend heavily on age, timing and personal history. Testosterone therapy is indicated for men with confirmed low levels and symptoms, confirmed on repeat morning testing; prescribing it to men with normal levels for vitality is not supported and carries cardiovascular and blood-count concerns that the Mayo Clinic and others describe plainly.

Growth hormone deserves its own warning. The National Institute on Aging states that there is no proof it slows aging in healthy adults, and that it carries risks including joint pain, fluid retention and raised diabetes risk. A longevity program that offers it as an anti-aging measure has stepped outside the evidence.

The useful hormone work in a longevity program is therefore mostly diagnostic: finding thyroid disease, vitamin D deficiency, or a true hormone deficit that has gone unrecognized. Anything framed as optimization rather than treatment of a deficiency needs a much harder look.

What does risk assessment actually mean, and how is it scored?

Risk assessment is the step that turns a folder of numbers into a probability. It is also the step most people never see explained.

Cardiovascular risk is calculated with validated equations that combine age, sex, blood pressure, cholesterol values, smoking status and diabetes status to estimate the chance of a heart attack or stroke over a defined period, typically 10 years. These calculators are published by professional bodies and are the same ones used in ordinary primary care. The output is a percentage, and guidelines attach treatment thresholds to it. A longevity program adds context to that number: family history of early disease, lipoprotein(a), inflammatory markers, and sometimes a coronary artery calcium scan, which is a low-dose CT that counts calcified plaque in the heart’s arteries. The scan can reclassify people whose calculator score sits in the gray zone, though it involves radiation and should not be repeated casually.

Metabolic risk uses A1c, fasting glucose, triglycerides, HDL, waist circumference and blood pressure. When several of these sit just above normal together, the combined risk of diabetes and heart disease is higher than any single value suggests.

Cancer risk is mostly about eligibility for screening based on age, sex and family history, rather than a personal score. Genetic testing for inherited cancer syndromes is appropriate for people with strong family patterns and should come with genetic counseling, since results affect relatives as well as the person tested.

The AHA’s Life’s Essential 8 offers a plain scoring approach across the eight domains that many programs adapt, because it gives people a picture of where they stand without a false decimal-point precision. Ask to see your inputs and the tool used. A risk score you cannot trace is a risk score you cannot act on.

Which screenings are evidence-based and which are optional extras?

Screening is a test done on someone without symptoms to find disease early, and every screening test carries a trade-off between catching something and creating a false alarm. This is where longevity programs diverge most sharply from one another.

The well-supported list is familiar. Blood pressure, cholesterol and glucose testing at intervals; bowel cancer screening from middle age by stool test or colonoscopy; cervical screening; mammography in the recommended age bands; bone density scanning for women after menopause and for men with risk factors; abdominal aortic ultrasound in older men who have smoked; hepatitis and HIV testing where appropriate; and skin examination for those with high sun exposure or a history of unusual moles. Each of these sits in mainstream national guidance, and a good program simply makes sure none has been missed.

The middle tier includes coronary calcium scanning, lipoprotein(a) testing, and hearing and vision checks. Evidence supports them for selected people rather than everyone.

The outer tier is where marketing lives. Whole-body MRI in people with no symptoms finds incidental abnormalities in a large share of scans, most of which turn out to be harmless after further imaging or biopsy; no major guideline recommends it for the general population. Blood tests that claim to detect dozens of cancers at once are in clinical trials, and their benefit on outcomes is not yet established. Microbiome sequencing, telomere length and methylation clocks return numbers that are interesting and, for now, not actionable.

None of this means the outer tier is worthless. It means it is research, and you should be told that in those words before agreeing to it. Overdiagnosis, the detection of abnormalities that would never have caused harm, is a real cost paid in anxiety, procedures and follow-up scans.

What are the 7 pillars of longevity, and do they hold up?

The phrase seven pillars is popular in wellness writing, though the count varies by author. The lists usually contain some version of: movement, nutrition, sleep, stress and mental health, social connection, avoiding tobacco and excess alcohol, and preventive medical care. It is a reasonable organizing idea. The question is how much of it is evidence and how much is packaging.

The core has strong support. A Harvard-led analysis of two large US cohorts, described by Harvard Health, found that people who at age 50 maintained five habits, never smoking, a healthy weight, regular physical activity, moderate alcohol intake and a good-quality diet, lived on average about 14 years longer for women and 12 years longer for men than those who followed none. Those are observational data, so they show association rather than proof of cause, but the pattern is consistent across many populations.

Physical activity has the clearest dose response. The WHO recommends 150 to 300 minutes of moderate-intensity aerobic activity per week for adults, plus muscle-strengthening work on two or more days, and notes that any amount above zero improves on none. Sleep is the pillar most recently upgraded: the AHA added it to its cardiovascular health framework, with 7 to 9 hours a night as the target for adults.

Social connection and purpose are harder to measure but repeatedly associated with lower mortality in the cohort studies the National Institute on Aging summarizes. Stress management rests on weaker, more mixed trial evidence for hard outcomes, though its effect on sleep and blood pressure is plausible.

The takeaway is that the pillars framework is sound but unequal. If you have time to work on one, the evidence points to moving more and not smoking before it points to anything sold in a capsule.

Who is a longevity program usually for, and who is usually asked to wait?

Most people who benefit are in their forties to sixties, well enough to act on findings and old enough for risk to have started accumulating quietly. Family history of early heart disease, diabetes, cancer or thyroid disorders raises the value of a thorough baseline. So does a long gap since any check, a demanding job that has crowded out routine care, or a life stage change such as menopause when several risks shift at once.

Younger adults with no symptoms and no family history usually gain little beyond the basics they could get from routine care: blood pressure, lipids, glucose, a conversation about habits. Extensive imaging in a healthy 30-year-old mostly manufactures incidental findings.

Some people are asked to pause or redirect, and this is a sign of a responsible program rather than a rejection. Anyone with active, undiagnosed symptoms, such as unexplained weight loss, chest pain on exertion, new persistent fatigue or a change in bowel habit, needs a diagnostic pathway, not a screening one. Screening tests are designed for people without symptoms; using them to investigate symptoms delays the right test. People with an established serious condition, such as active cancer treatment, advanced kidney disease or unstable heart disease, are usually better served by their specialist team coordinating any additional testing.

Pregnancy is another pause point, both because reference ranges change and because some scans are unsuitable. Adults with significant anxiety about health may find that a broad battery of tests worsens rather than settles their worry; a frank conversation before booking is worth having.

Fitness is not an entry requirement. The question in the search results, do I need to be fit to start, has a clear answer: no. The program is designed to measure where you are, and the WHO’s guidance is explicit that starting from very little activity produces the largest early gains.

What does the plan look like once the results are in?

The results conversation is the part people remember, and the plan that follows is the part that decides whether the whole exercise mattered.

A sound plan is written, prioritized and specific. It groups findings into three tiers: things that need medical action now, things to work on over months, and things to simply keep doing. The first tier might include a newly found underactive thyroid, a blood pressure reading that repeats above guideline thresholds, or an A1c in the diabetes range. These go to the treating clinician for decisions about further testing or treatment, and the longevity team’s job is to make sure that handover happens rather than to make the prescribing decision themselves.

The second tier is lifestyle, expressed in numbers rather than exhortations. Not eat better but a target for vegetables, legumes and whole grains each day; not exercise more but a weekly minute count building toward the WHO’s 150 to 300 minute range, with two strength sessions; not sleep well but a fixed wake time and a target window of 7 to 9 hours consistent with the AHA framework. Good plans also name what to stop measuring, because obsessive tracking of a normal marker is its own harm.

The third tier is scheduling: when the next blood draw falls, which screenings are due in the coming years, and which family members might benefit from knowing a result.

Watch for two features in the plan you are handed. Every recommendation should link back to a finding or a guideline, and every medicine or supplement mentioned should be framed as a question for your prescriber rather than a purchase. A plan that reads as a shopping list has confused your health with its revenue.

What do the following weeks and months usually look like?

The rhythm after the first visit is slower than most people expect, and for a good physiological reason.

The first few weeks are usually about confirmation. Abnormal blood pressure is rechecked, ideally with home readings across a week. A borderline thyroid or glucose result is repeated, since single values fluctuate with illness, sleep loss and even the time of day. If a screening test flagged something, the follow-up investigation happens in this window, and the wait for it is often the hardest part of the whole process. Ask in advance who will call you and when.

The middle stretch, roughly the first three months, is when lifestyle changes either take root or fade. Markers move at different speeds. Blood pressure can respond to reduced salt, more activity and less alcohol within weeks. Glycated hemoglobin cannot; because it reflects average glucose over roughly the previous two to three months, according to the Cleveland Clinic, retesting it sooner tells you almost nothing. Cholesterol responds to dietary change over a similar timescale. Fitness, measured by how hard a fixed effort feels, tends to improve before the scale does, which is worth knowing on the days the scale is discouraging.

Follow-up visits are therefore usually spaced months apart. Many programs offer check-ins between visits by message or brief call, which help with accountability but should not replace the measured review.

Beyond the first year, the cycle settles into annual or biennial reassessment, with screenings slotted in at guideline intervals. The point of the long view is that longevity is not a program you complete. It is a set of habits and checks that a program helps you start and then, ideally, makes itself progressively less necessary to maintain.

What are the risks of longevity medicine and of the programs that sell it?

The risks are real, but they are not the ones people usually imagine. Nobody is harmed by a blood pressure cuff. The harm comes from what happens downstream of testing done without a clear question.

Overdiagnosis is the largest. Whole-body imaging and very broad blood panels find abnormalities in a high proportion of healthy people: small thyroid nodules, liver cysts, adrenal lumps, mildly raised enzymes. Most are harmless, but each requires a decision, and many lead to further scans, biopsies or years of surveillance. Thyroid nodules are a telling example, because ultrasound detects them in a large share of adults and the great majority never cause disease, yet finding one can start a chain of investigation that a person with no symptoms did not need.

Radiation is a modest but cumulative concern with repeated CT scanning. Incidental findings on a coronary calcium scan can prompt further CT imaging, and each dose adds up over a lifetime.

Hormone-related risks deserve a plain statement. Growth hormone in healthy adults has no proven anti-aging benefit and documented harms, per the National Institute on Aging. Testosterone given to men without confirmed deficiency raises red blood cell counts and carries cardiovascular uncertainty. Thyroid hormone taken by someone with a normal gland, sometimes marketed for energy or weight, risks heart rhythm problems and bone loss. Supplements sold alongside programs can interact with prescribed medicines and are not regulated as medicines are.

Then there is the psychological cost. A minority of people leave a longevity assessment more anxious than they arrived, carrying a list of borderline numbers and a sense of being a project. If that describes you, the most protective decision may be fewer tests rather than more.

Finally, the opportunity cost: time and attention spent on novel markers is time not spent on the boring interventions that carry the evidence.

What is the healthiest food to eat for longevity?

There is no single food, and any program claiming one is selling a story. What the evidence supports is a pattern, and the pattern is unglamorous.

The diets most consistently associated with longer life in large cohorts, summarized by Harvard Health and the National Institute on Aging, share a shape: plenty of vegetables, fruit, legumes, whole grains, nuts and seeds; fish and other seafood regularly; olive oil or other unsaturated fats as the main added fat; limited red and processed meat; and very little added sugar, refined grain or ultra-processed food. Mediterranean, Nordic and traditional Japanese eating patterns all fit this description despite looking nothing alike on the plate.

Within that pattern, a few components have stronger individual support. Legumes appear repeatedly in populations with high proportions of older adults. Nuts are associated with lower cardiovascular mortality across several cohorts. Whole grains outperform refined grains for glucose control, which matters given how many longevity findings turn out to be early insulin resistance. Fatty fish contribute omega-3 fats with modest cardiovascular benefit that supplements have largely failed to replicate in trials.

The AHA’s Life’s Essential 8 scores diet using these same principles, which is a reminder that longevity nutrition is cardiovascular nutrition with a longer horizon.

Two hormone-specific notes for this category. Iodine intake affects thyroid function, and both deficiency and excess cause problems; people considering kelp or iodine supplements should ask their clinician first. Soy foods are safe for most people with thyroid conditions when eaten in ordinary amounts, though they can affect absorption of thyroid medicine if taken at the same time, a scheduling question for the prescriber.

If you want a single rule, make it this: eat mostly plants, mostly unprocessed, mostly at home, and let the ranking of individual superfoods stay where it belongs, in headlines.

What people often get wrong about longevity programs

Myths cluster around this field because it sits between medicine and aspiration. Correcting a few of them changes how you use a program.

The first is that more testing means more safety. It does not. Beyond the guideline-supported screenings, additional tests mostly add false positives, and a normal result on a test you did not need offers no protection against the disease it did not look for.

The second is that biological age is a medical measurement. Methylation clocks and similar tools estimate age from molecular patterns and are valuable in research, but they have not been shown to guide individual decisions or predict outcomes better than blood pressure, cholesterol, glucose and fitness. A number that says you are five years younger than your birth certificate is a pleasant statistic, not a clinical finding.

The third is that hormones decline and therefore should be replaced. Levels of many hormones fall with age; that is physiology, not deficiency. Treatment is for people with confirmed deficiency and symptoms, and the decision belongs to the prescribing clinician after repeated testing. The National Institute on Aging is explicit that growth hormone, DHEA and similar agents have not been shown to slow aging in healthy people.

The fourth is that supplements are a soft form of medicine with only upside. Vitamin D or B12 for a measured deficiency is treatment; a dozen capsules for insurance is not, and the NIH Office of Dietary Supplements documents interactions and upper limits for a reason.

The fifth is that the plan is the product. The plan is a piece of paper. The product is whether you are walking more, sleeping longer and seeing your primary clinician about the two numbers that were actually abnormal six months from now.

The sixth is that fitness is a prerequisite. Programs measure where you are. Nobody is turned away for starting from the sofa, and the largest gains in the WHO data belong to exactly those people.

Questions to ask your care team before and after a longevity assessment

The quality of a program shows in how it answers questions, so ask them before you commit and again when results arrive.

Before booking, ask which tests are recommended by national guidelines for someone of your age, sex and history, and which are additional. Ask what happens if a scan finds something incidental: who investigates it, and is that follow-up included or referred elsewhere. Ask how results are shared with your regular primary care clinician, because a longevity report that never reaches the person who prescribes for you is half a report. Ask whether the clinicians interpreting hormone results have specialist training in endocrinology, the branch of medicine dealing with hormones, or whether abnormal results are referred.

At the results visit, ask for the actual numbers with reference ranges rather than a color-coded summary, and ask which findings would change management and which are simply noted. For any recommended medicine or supplement, ask what deficiency or diagnosis it treats, what evidence supports it in someone like you, and whether your prescribing clinician has been consulted. For any repeat testing proposed, ask what result would change the plan; if nothing would, the test may not be needed.

Ask about the things the report is quiet on. Was cancer screening reviewed for gaps? Was mental health discussed? Were vaccinations checked? Preventive care includes these even when they do not photograph well.

Finally, ask what the program considers success for you. A team that answers with your blood pressure, activity minutes and completed screenings has understood the job. A team that answers with a biological-age score has not.

Write the answers down. Six months later, they are the fairest measure of whether the program did what it promised.

When to call your doctor

A longevity program is designed for people without symptoms, and the most important thing it can do is recognize when that description no longer applies. Certain findings and symptoms should bypass the program’s schedule and reach your treating clinician promptly.

Seek urgent or emergency care for chest pain or pressure, especially with exertion or spreading to the arm, jaw or back; sudden weakness, numbness, facial droop or difficulty speaking; sudden severe headache; shortness of breath at rest; fainting; or a very fast, pounding or irregular heartbeat that does not settle. These are not longevity findings. They are emergencies.

Contact your doctor within days for unexplained weight loss, a lump anywhere including the neck or breast, blood in urine or stool, a persistent change in bowel habit, a cough lasting more than three weeks, night sweats, or new persistent fatigue that sleep does not fix. Thyroid-related symptoms warranting prompt review include a rapidly enlarging neck swelling, difficulty swallowing, marked heat or cold intolerance with palpitations or tremor, or new confusion in an older adult.

Results from the program itself can also be reasons to call. A blood pressure reading that repeats well above guideline thresholds, a glucose or A1c result in the diabetes range, a markedly abnormal TSH, or any imaging report that mentions a finding needing follow-up should go to your prescribing clinician rather than wait for the next scheduled visit. If you have started, stopped or changed any medicine or supplement because of something you read in a longevity report, tell your doctor; that decision belongs with them, and they need to know what changed.

The program can organize your prevention. It cannot replace the clinician who knows your history and can act on it.

Frequently asked questions

What does a longevity program involve in a single visit?

One visit usually covers a long history, a physical examination including blood pressure and waist measurement, questionnaires on sleep, mood and habits, and a blood draw. Screening scans are booked separately. Results and the plan come at a follow-up appointment days or weeks later, once the laboratory work returns and abnormal values have been checked or repeated. Nobody should leave a first visit with a treatment plan already written.

What are the 7 pillars of longevity?

Lists vary, but the common seven are movement, nutrition, sleep, stress and mental health, social connection, avoiding tobacco and excess alcohol, and preventive medical care. The evidence behind them is unequal. Not smoking and regular physical activity have the strongest support in the cohort data summarized by Harvard Health and the WHO, while stress management has weaker trial evidence for hard outcomes.

How much does a longevity clinic cost?

This article does not give prices, because they vary enormously by program, region and which optional tests are included, and because many components are also available through routine preventive care. Before booking, ask for an itemized list of what is included, what follow-up of incidental findings costs, and whether results are shared with your primary care clinician. A clear answer to those questions tells you more than any headline figure.

What are the risks associated with longevity programs?

The main risks are overdiagnosis from broad imaging and panels, cumulative radiation from repeated CT scans, anxiety from borderline results, and harm from hormones or supplements taken without a confirmed deficiency. The National Institute on Aging specifically warns that growth hormone has no proven anti-aging benefit and documented side effects. Fewer, better-chosen tests are safer than more.

Is a longevity blood tests list different from a normal check-up panel?

Mostly it is broader rather than different. The core is the same lipid profile, A1c, thyroid, kidney and liver tests used in primary care. Programs commonly add fasting insulin, hs-CRP, lipoprotein(a), ApoB, vitamin D and B12. Some add methylation-based biological-age scores, which are research tools not recommended by current guidelines for individual decisions.

Do I need to be fit to start a longevity program?

No. The assessment measures where you are, and the plan is built from that baseline. The WHO notes that adults moving from very little activity to some activity gain the most, and its 150 to 300 minute weekly target is a direction of travel rather than an entry requirement. Fitness testing is adapted to your current ability.

Will a longevity program check my thyroid?

Most include a TSH test, which measures the pituitary hormone that regulates thyroid output and is the standard screening test according to MedlinePlus. An abnormal TSH is repeated and followed by free T4 and sometimes antibodies. Treatment decisions for a confirmed thyroid disorder rest with your prescribing clinician, and thyroid hormone is not used to treat normal results.

Longevity clinic: what to expect for follow-up?

Expect confirmation of any abnormal result within weeks, then a measured review after several months. A1c reflects roughly the past two to three months of glucose, so repeating it sooner is uninformative. Blood pressure and fitness can change faster. After the first year, most programs move to annual or two-yearly reassessment with screenings at guideline intervals.

Are biological age tests worth doing?

They are interesting but not yet actionable. Methylation clocks estimate age from chemical patterns on DNA and are valid research instruments, but no major guideline recommends them for individual care, and they have not been shown to guide decisions better than blood pressure, glucose, cholesterol and fitness. Treat the result as a curiosity rather than a clinical finding.

What is the healthiest food to eat for longevity?

No single food qualifies. The eating patterns most consistently associated with longer life, summarized by Harvard Health and the National Institute on Aging, are rich in vegetables, legumes, whole grains, nuts, fish and unsaturated fats, and low in processed meat, added sugar and ultra-processed foods. Legumes, nuts and whole grains have the most consistent individual support within that pattern.

References

• WHO: Physical activity fact sheet
• MedlinePlus: TSH (Thyroid-stimulating hormone) Test
• Cleveland Clinic: A1c Test
• NIH National Institute on Aging: What Do We Know About Healthy Aging?

This article is for general information only and is not a substitute for professional medical advice. Please consult a qualified doctor about your individual situation.