Some studies suggest aspirin therapy may also help lower the risk of colorectal cancer.

People who sit less and do any amount of physical activity gain some health benefits.

Studies have found a link, although how frequent ejaculation may protect against prostate cancer is not well understood.

Weight loss, exercise and a healthy diet are keys to managing type 2 diabetes.

The early cancer is detected, the easier it is to treat.

Excess weight, which is often linked to metabolic abnormalities, can contribute to a wide variety of health problems.

HIV treatment usually requires daily pills, but longer-acting regimens are gaining ground.

The CDC recommends that everyone ages 13 to 64 get a routine HIV test at least once.

Mutations can affect how viruses behave and how well drugs and vaccines work.

Hepatitis A and E usually resolve on their own, but hepatitis B and C can cause serious liver disease, including cirrhosis and liver cancer.