Screenings and procedures Archive

A narrowed aortic valve (aortic stenosis) affects about one in 20 people over age 65. Medical therapies for treating this progressive disease are under investigation, and a recent study explored the potential benefits of proactive valve replacement.

With advances beyond blood tests to screen for prostate cancer, men and their doctors now have additional-and better-information to guide diagnosis and potential treatment. Examples include MRI scans and also urine tests that look for biological markers of cancer.

Mammogram screening guidelines for women 74 and older vary considerably. Randomized, controlled clinical trials have not examined the implications of screening mammograms in women 70 and older, and treating tumors unlikely to reduce life expectancy can harm women.

A urine test, also known as a urinalysis, can reveal a great deal about a person's health. The kidneys produce urine to remove excess fluid and waste products from the body. But urine also contains various chemicals, minerals, toxins, bacteria, and red and white blood cells. Analyzing a urine sample with visual, chemical, and microscopic exams can reveal the presence and amounts of these substances, which can provide clues to specific conditions.