Who should have a bone density test under the 2025 Task Force recommendation, what T-scores mean, fracture risk factors and ways to protect bones.

Three screenings most adults need only once or occasionally: hepatitis C from 18 to 79, HIV from 15 to 65, and an aortic aneurysm ultrasound for some older men.

Who should be screened for prediabetes and type 2 diabetes, how the A1C and fasting glucose tests work, what the results mean, and what to do next.