What Health Scans Should You Get in Your 40s?

Your 40s are a significant decade for health. Many serious conditions — cardiovascular disease, cancer, metabolic disorders — begin developing silently during this period, often without symptoms until they're well advanced. Getting the right health scans in your 40s can detect problems early, when they're most treatable, and establish baselines for future comparison.

Why Your 40s Are a Turning Point

Several things converge in your 40s:

• Cancer risk rises sharply — Cancer Research UK data shows that cancer incidence rates begin increasing significantly from age 40. Bowel, breast, prostate, and lung cancers all become more common.
• Cardiovascular risk builds — Blood pressure, cholesterol, and arterial stiffness can all increase without symptoms. Heart disease and stroke are the UK's second leading cause of death (after dementia), and the process often starts decades before an event.
• Hormonal shifts begin — Perimenopause (women) and declining testosterone (men) affect energy, mood, metabolism, bone density, and body composition.
• Metabolic changes — Insulin resistance and type 2 diabetes risk increase. Roughly 13.6 million people in the UK are at risk of type 2 diabetes (Diabetes UK).
• Musculoskeletal wear — Joint degeneration, disc disease, and bone density loss may start or accelerate. Many people get their first "bad back" or "dodgy knee" in their 40s.

Recommended Scans and Tests for Your 40s

1. Full Body MRI — Baseline Scan

A full body MRI in your early 40s establishes a structural baseline. It screens for tumours, aneurysms, organ abnormalities, spinal conditions, and joint pathology — all without radiation. Having this reference point makes future scans far more valuable, because the radiologist can see exactly what's changed rather than interpreting a snapshot in isolation.

This is particularly worthwhile if you have a family history of cancer, cardiovascular disease, or neurological conditions.

2. Brain MRI

If a full body MRI isn't in your budget, a standalone brain MRI is a strong option. It screens for aneurysms (present in 2-5% of the population, usually asymptomatic), early tumours, white matter disease, and provides a baseline for future neurological comparison. Particularly worthwhile if you have a family history of stroke, aneurysm, or brain tumours.

3. Cardiac MRI

A cardiac MRI gives the most detailed assessment of heart structure and function available — it's the reference standard for measuring cardiac volumes, detecting cardiomyopathy, and identifying myocardial fibrosis. Consider this if you have a family history of sudden cardiac death, cardiomyopathy, or if you're a serious endurance athlete (long-term intense exercise can cause cardiac remodelling).

4. Blood Tests

A thorough blood panel in your 40s should cover:

• Cardiovascular markers — Full lipid profile, ApoB, Lp(a), HbA1c, fasting glucose, fasting insulin, hs-CRP
• Organ function — Liver function (ALT, AST, GGT, bilirubin), kidney function (creatinine, eGFR, urea), thyroid (TSH, free T4)
• Full blood count — Screens for anaemia, infection, and blood disorders
• Vitamins and minerals — Vitamin D (deficient in roughly 1 in 5 UK adults), B12, folate, iron studies, magnesium
• Hormones — Testosterone (men), oestrogen and FSH (women approaching perimenopause)
• Cancer markers — PSA (men over 45-50, or earlier with family history), CA125 (women with relevant risk factors)

5. NHS Screening Programmes

Make sure you're enrolled in the NHS programmes available to you:

• NHS Health Check — Offered every 5 years from age 40-74 (England). Checks blood pressure, cholesterol, BMI, and diabetes risk. It's basic but free — take it.
• Bowel cancer screening — FIT test offered from age 56 in England (previously 60, being lowered). If you're in your 40s and have a family history, speak to your GP about early screening.
• Breast screening — NHS mammography starts at 50, but women with high risk (BRCA mutations, strong family history) can access earlier screening.
• Cervical screening — Every 5 years from age 25-64.

6. DNA and Genetic Testing

DNA tests can reveal genetic predispositions to cancer (BRCA1/2, Lynch syndrome), cardiovascular disease, and other conditions. Knowing your genetic risk profile in your 40s lets you tailor your screening frequency and focus areas accordingly.

7. TruAge Epigenetic Testing

Your biological age may differ from your chronological age. TruAge testing measures epigenetic markers to estimate how fast you're ageing at a cellular level — giving you a data point that blood tests and imaging can't provide.

Building Your 40s Health MOT

Here's a practical framework:

Test	Frequency	Why
Blood panel	Annually	Tracks trends in cardiovascular, metabolic, and organ health
Full body or brain MRI	Once as baseline, then every 2-3 years	Structural screening and future comparison
Cardiac MRI	Once as baseline (if indicated)	Heart structure and function
DNA test	Once (results don't change)	Genetic risk profiling
TruAge	Annually	Track biological ageing
NHS screenings	As offered	Free, established programmes
Eye test	Every 2 years	Glaucoma, macular degeneration (rising risk from 40)
Dental check	Every 6-12 months	Oral health impacts systemic health

For more detail, see our annual health MOT guide and UK preventive screening guide.

Frequently Asked Questions

Isn't the NHS Health Check enough?

The NHS Health Check is a useful starting point — it covers blood pressure, cholesterol, BMI, and diabetes risk. But it doesn't include imaging, detailed hormonal assessment, advanced cardiovascular markers (ApoB, Lp(a)), or cancer screening beyond the established programmes. Think of it as the minimum, not the maximum.

I feel fine. Why should I get screened?

Because many serious conditions are symptomless in their early stages. High blood pressure has no symptoms. Early-stage cancer often has no symptoms. Cerebral aneurysms have no symptoms until they rupture. The whole point of screening is to find things before they cause problems — when they're easiest to treat.

How much does a full health MOT cost?

It depends on what you include. A blood panel plus a full body MRI through Lola Health would be in the range of £1,500-£2,500. Adding DNA testing, cardiac MRI, and TruAge would increase the total. Many people build up gradually — starting with blood tests annually and adding imaging every 2-3 years.

Should I get different scans if I have a family history of cancer?

Yes. A strong family history (especially first-degree relatives diagnosed before age 50) may warrant earlier and more frequent screening. Discuss with your GP about NHS high-risk pathways, and consider private screening (full body MRI, targeted organ MRI) to supplement NHS provision.