Preventive Health Screenings by Age and Gender

Preventive health screenings detect conditions before symptoms appear, when treatment is most effective and least invasive. The challenge for most people is not willingness but confusion: conflicting guidelines from different organizations, unclear insurance coverage rules, and primary care visits too short to walk through the full schedule. This guide consolidates the recommendations that carry the strongest evidence backing.

We focus exclusively on USPSTF A and B grade recommendations. These are services where the Task Force found high certainty of substantial net benefit (Grade A) or high certainty of moderate net benefit (Grade B). Grade C recommendations (small net benefit, individual decision) and Grade I (insufficient evidence) are excluded to keep the guidance actionable. For the full methodology behind how we evaluate and present this evidence, read our research methodology.

What Is the USPSTF and Why Does It Matter?

The U.S. Preventive Services Task Force is an independent panel of 16 volunteer clinicians who systematically review evidence on preventive services and issue recommendations graded A through D (plus I for insufficient evidence). USPSTF ratings directly affect insurance coverage under the Affordable Care Act: all A and B grade screenings must be covered without cost-sharing by non-grandfathered private insurance plans and Medicare.

This means that every screening listed in this guide should be available to most insured Americans at no out-of-pocket cost. The screening itself is free. Diagnostic follow-up tests triggered by an abnormal screening result may have costs depending on your plan.

What Screenings Should Adults in Their 20s and 30s Get?

Young adults often assume they do not need preventive care. The USPSTF disagrees on several fronts. The core screenings for this age group target conditions with early onset or long asymptomatic phases.

What Changes in Your 40s?

The 40s introduce cancer screenings and expanded metabolic monitoring. The biggest additions are breast cancer and colorectal cancer screening, both of which the USPSTF moved to earlier start ages in recent guideline updates.

Breast cancer screening (mammography): The USPSTF updated its recommendation in 2024, lowering the starting age for biennial screening mammography from 50 to 40 for all women at average risk. This is a Grade B recommendation. Women should get a mammogram every two years starting at age 40 and continuing through age 74.

Colorectal cancer screening: The USPSTF lowered the starting age from 50 to 45 in 2021 (Grade A for 50-75; Grade B for 45-49). Options include stool-based tests (FIT annually, FIT-DNA every 1-3 years), colonoscopy every 10 years, CT colonography every 5 years, or flexible sigmoidoscopy every 5 years. Colonoscopy is the most thorough but also the most invasive. The best screening test is the one you will actually complete.

Diabetes screening: The USPSTF recommends screening for prediabetes and type 2 diabetes in adults aged 35-70 who are overweight or obese (Grade B). Fasting glucose, HbA1c, or oral glucose tolerance test every 3 years if results are normal.

Statin use assessment: For adults aged 40-75 with cardiovascular risk factors (diabetes, hypertension, dyslipidemia, smoking), the USPSTF recommends clinicians assess 10-year cardiovascular risk and discuss statin initiation for those with a risk of 10% or higher (Grade B).

What Screenings Are Added in Your 50s?

The 50s consolidate earlier screenings and add lung cancer screening for those with significant tobacco exposure.

Lung cancer screening: The USPSTF recommends annual low-dose CT (LDCT) for adults aged 50-80 with a 20 pack-year smoking history who currently smoke or quit within the past 15 years (Grade B). A pack-year is one pack per day for one year. This is the only cancer screening that uses CT imaging and requires a specific risk factor (smoking history) to qualify.

Colorectal cancer screening continues per the schedule started at 45. If you have been doing FIT tests annually, continue. If you started with colonoscopy at 45 with normal results, the next one is due at 55.

Bone density screening (osteoporosis): The USPSTF recommends screening for osteoporosis with dual-energy X-ray absorptiometry (DEXA scan) in women aged 65 and older. For postmenopausal women younger than 65, screening is recommended for those with risk factors that indicate an osteoporosis fracture risk equal to or greater than that of a 65-year-old white woman. Clinical risk assessment tools like FRAX help determine eligibility.

What Changes After 60?

Most screenings continue through the 60s and 70s, with some reaching their recommended stopping points. The key additions and modifications:

Abdominal aortic aneurysm screening: One-time ultrasound screening for men aged 65-75 who have ever smoked (Grade B). This is a single test, not recurring. Abdominal aortic aneurysm rupture is often fatal, and screening with ultrasound is noninvasive and effective at identifying aneurysms large enough to monitor or repair.

Screening endpoints: Cervical cancer screening ends at 65 for women with adequate prior screening and no history of high-grade precancerous lesions. Colorectal cancer screening endpoints are individualized after 75 (Grade C for 76-85, meaning the decision should be individual). Breast cancer screening evidence supports continuing through 74.

For context on how physical fitness intersects with preventive care goals as you age, see our exercise guide for beginners over 40. Nutrition also plays a role in managing conditions detected through screening — our guide to common nutrition mistakes covers the dietary factors most relevant to chronic disease prevention.

Do You Actually Need an Annual Physical Exam?

The traditional comprehensive annual physical exam — where a physician performs a head-to-toe examination of an apparently healthy person — is not specifically recommended by the USPSTF. Several studies, including a 2019 Cochrane review, found that general health checks did not reduce mortality or morbidity.

What the evidence does support is an annual preventive visit focused on specific guideline-recommended screenings, immunization review, blood pressure measurement, and risk factor counseling. The visit is the delivery mechanism for the screenings in this guide, not a diagnostic fishing expedition. The periodic health visit remains valuable as a platform for delivering evidence-based services, updating family history, and discussing health behavior changes.

For how we verify and update the clinical guidelines referenced in this article, read our research methodology.