📋 Your life stage: Increasing family responsibility, career peak or plateau, aging parents, and the first physical signs of the aging process. In Lagos, this is often accompanied by high stress, long commutes, irregular eating, and less exercise. Metabolic syndrome, hypertension, and type 2 diabetes cluster in this decade in Nigerian men and women.
Recommended Screenings & Tests
Hypertension affects the majority of Nigerian adults by their mid-40s. If on treatment, ensure it is achieving the target (below 130/80mmHg).
👥 Everyone
The risk of type 2 diabetes approximately doubles in the 40s versus the 30s. HbA1c at this frequency catches progression early and allows intervention before complications develop.
👥 Everyone
LDL cholesterol peaks in the 40s. The risk calculation (accounting for blood pressure, smoking, and diabetes) determines who benefits from statin medication.
👥 Everyone
The oral glucose tolerance test detects impaired glucose tolerance not captured by fasting tests — relevant for people with strong family history or borderline HbA1c.
👥 People with borderline results or high risk
Kidney disease — from hypertension, diabetes, or other causes — frequently begins in the 40s. Annual monitoring detects decline early, when progression can be slowed.
👥 Everyone, especially those with hypertension or diabetes
Breast cancer risk rises significantly through the 40s. In Nigerian women, breast cancers tend to be diagnosed at younger ages and more advanced stages — early screening is critical.
👥 All women
Most cervical cancers occur in women aged 40–60. Continue screening consistently.
👥 All women
Glaucoma — one of the leading causes of blindness in Nigeria — begins silently in the 40s and is especially prevalent in people of African ancestry. Intraocular pressure check is quick and cheap.
👥 Everyone, particularly those with family history of glaucoma or diabetes
A baseline ECG at 40 allows future comparison if heart symptoms develop. Also detects silent arrhythmias and heart changes from longstanding hypertension.
👥 Everyone — particularly men and those with hypertension
Black men have a significantly higher risk of prostate cancer, which tends to occur at younger ages. Annual PSA from 40 allows detection when treatment is curative.
👥 All men of African ancestry from age 40
Red Flags — Never Ignore These
🚨 Chest pain on exertion — angina should be excluded urgently in this age group
🚨 Shortness of breath that is new or worsening
🚨 Urinary changes in men — difficulty starting, stopping, or weak stream
🚨 Irregular or heavy periods that represent a significant change from your usual pattern
🚨 Vision blurring, particularly if sudden — retinal disease or glaucoma
🚨 Sudden severe headache unlike any previous headache — hypertensive emergency or bleed must be excluded
🚨 Unexplained weight loss
🚨 Any new breast lump or change in breast appearance
🚨 Blood in urine or stool — even a single episode warrants investigation
Frequently Asked Questions
Should Nigerian men really start PSA testing at 40?
Yes. Black African men have a 2-3x higher risk of prostate cancer compared to White men, and it tends to occur at younger ages. Starting at 40 allows detection when it is curable. Discuss the benefits and limitations with your doctor.
Do I need a mammogram if there's no family history of breast cancer?
Yes. The majority of breast cancers occur in women with no family history. Annual mammograms from 40 provide the best chance of early detection regardless of family history.
What is metabolic syndrome and do I have it?
Metabolic syndrome is a cluster of 3 or more of: abdominal obesity, high triglycerides, low HDL cholesterol, high blood pressure, and high fasting blood sugar. It doubles the risk of heart disease and increases diabetes risk fivefold. Your 40s health screen tells you.
I'm on blood pressure medication — do I still need checks?
Yes — more so. Treatment needs to achieve the blood pressure target (below 130/80mmHg). Many people on medication are still not at target. Kidney function and potassium also need monitoring if on ACE inhibitors or ARBs.
At what point should I see a cardiologist versus a GP?
Start with your GP for routine cardiovascular risk assessment. Referral to a cardiologist is appropriate for chest pain, significant ECG changes, heart failure, or complex cardiac risk management.