Health Checks by Decade: What Actually Matters in Your 30s, 40s, 50s and 60s

Preventive health has a marketing problem. Private clinics sell full-body scans and hundred-marker panels, while the tests with the strongest evidence behind them are dull, cheap and frequently skipped. This is a practical guide to what is actually worth checking at each stage of adult life, based on what major screening bodies recommend rather than on what generates the most impressive-looking report.

The principle behind screening

Screening means testing people without symptoms, and that is a higher bar than it sounds. For a screening test to be worth doing, the condition has to be common enough to matter, detectable before it causes symptoms, and treatable more effectively when caught early. The test itself also has to be reasonably accurate, because false positives lead to anxiety, further procedures and occasional harm.

This is why expert panels do not simply recommend testing for everything. More testing is not automatically better health, and a scan that finds an incidental abnormality of no clinical importance can start a chain of investigations with real risks attached. The tests below have survived that scrutiny. The general point is that a small number of well-chosen checks, done at the right intervals, outperform an expensive panel of everything.

Your 30s: the baseline decade

This is the decade for establishing where you stand, since most of what matters is silent at this age. Blood pressure should be checked at least every few years, and more often if it has ever been borderline, because hypertension causes no symptoms while quietly doing damage. A lipid panel gives you a cholesterol baseline, which matters more as a starting point for tracking than as a verdict at 35.

Blood sugar checks are worth having if you carry excess weight, have a family history of diabetes, or had gestational diabetes, since prediabetes is common and reversible at this stage. Cervical screening continues on its regular schedule for women, and a dental check and eye test belong on the list too, both of which pick up problems well beyond teeth and vision. Also worth doing once: an honest family history. Knowing which conditions run in your family changes what you and your doctor should be watching for, and it is the cheapest risk assessment available.

Your 40s: the decade things start to shift

Two significant changes arrive in this decade. Breast cancer screening now begins earlier than it used to, with the US Preventive Services Task Force having updated its guidance in 2024 to recommend mammography starting at age 40, and different countries set slightly different starting ages, so it is worth knowing your own system's schedule.

Cardiovascular risk assessment also becomes meaningful here rather than theoretical. Blood pressure, cholesterol and blood sugar together feed into a risk estimate that guides whether anything needs treating. The 2026 dyslipidemia guidance in the US extended formal risk assessment down to age 30 and uses long-range risk estimates, which means these conversations increasingly start earlier than they once did. This is also the decade to have an eye examination that includes glaucoma screening, and for women, to know what perimenopausal symptoms look like before they arrive.

Your 50s: the screening decade

Bowel cancer screening is the headline item, and the recommended starting age was lowered from 50 to 45 for average-risk adults, a change driven by rising rates in younger people. Whether you have a colonoscopy or a stool-based test, the important thing is doing one of them, since the most effective screening test is the one that actually gets done.

• Bowel cancer: from 45, by colonoscopy or a stool-based test at shorter intervals.
• Breast screening: continuing on schedule.
• Blood pressure, lipids and HbA1c: more regularly now, since risk climbs.
• Prostate discussion: a conversation about PSA testing with a doctor, weighing benefits against overdiagnosis, rather than an automatic test.
• Bone health: assessment for women after menopause and for anyone with fracture risk factors.
• Hearing and vision: both decline gradually enough to be missed, and hearing loss is linked with cognitive decline.

This is also the decade when unaddressed sleep apnea, alcohol intake and physical inactivity start showing up in the numbers. A frank review of those with a doctor is worth more than an extra scan.

Your 60s and beyond

The emphasis shifts from finding disease early to maintaining function. Continue the established screening schedules, and add attention to the things that determine independence: strength, balance, bone density, hearing, vision and cognition. Falls are one of the largest threats to quality of life in later decades, and balance and strength assessment is more valuable than most tests people ask for.

Vaccination becomes more relevant, including seasonal and age-specific vaccines your doctor will know the current schedule for. A medication review matters enormously here, since prescriptions accumulate over decades and interactions between them cause a substantial share of avoidable hospital admissions in older adults. Ask specifically whether everything on your list is still needed. Bowel cancer screening typically continues to around 75, after which the decision becomes individual and depends on overall health rather than on age alone.

What to skip, and when to see a doctor

Be sceptical of full-body MRI scans marketed direct to consumers, hundred-marker blood panels sold without clinical context, and genetic tests promising to predict your future health. These are not usually harmful in themselves. The harm comes from incidental findings that lead to invasive follow-up for something that would never have caused a problem, and from the false reassurance a clean scan gives to someone who then ignores real symptoms.

See a doctor promptly regardless of your screening schedule for any unexplained weight loss, a new lump, blood where it should not be, a change in bowel habit lasting more than a few weeks, a mole that has changed, persistent breathlessness or chest pain. Screening is for people without symptoms, and symptoms need assessment on their own timeline. This is general information rather than medical advice, and recommended ages vary by country, so use it to start the conversation rather than to replace it.

Frequently asked questions

What health checks should I have in my 40s?

Blood pressure, a lipid panel, blood sugar if you have risk factors, an eye examination including glaucoma screening, continued cervical screening, and mammography, which most guidance now recommends starting at 40.

At what age should bowel cancer screening start?

Screening bodies now recommend starting at 45 for adults at average risk, lowered from 50 because rates have risen in younger adults. Options include colonoscopy or stool-based testing at shorter intervals.

Are full-body scans worth it?

For people without symptoms, generally no. They frequently find incidental abnormalities of no clinical significance, which leads to further testing and anxiety, and a clean scan can give false reassurance.

How often should I check my blood pressure?

At least every few years for adults with normal readings, and more often if readings have been borderline or high, or if you have other cardiovascular risk factors. It causes no symptoms, which is exactly why it needs checking.

Read next

• The Health Checks Men Skip, and Why They Matter

  The specific tests men most often avoid.

• Blood Pressure: What the Numbers Actually Mean

  Making sense of the most important routine check.

• Blood Test Results Explained: A Plain-English Guide to the Common Numbers

  How to read the panel that comes back afterwards.

This article is for general informational purposes only and is not medical advice. Always consult a qualified healthcare professional about your individual situation, and never start or stop a medication without your doctor. See our Medical Disclaimer.