New research suggests the thymus, long thought inactive in adults, may play a key role in aging, heart health, and cancer outcomes.

THURSDAY, March 19, 2026 — For decades, medical students were taught that the thymus — a small, butterfly-shaped gland in the upper chest — was...

THURSDAY, March 19, 2026 — For decades, medical students were taught that the thymus — a small, butterfly-shaped gland in the upper chest — was...

For many years, doctors believed that the thymus, a small organ located in the chest, was only important during childhood. It helps train the immune...

Highlights: Cold weather linked to -40,000 extra heart-related deaths each year Lowest heart death risk seen aroun

Many people worry about sitting too much, especially as they get older. Sitting for long hours has been linked to many health problems, including...

Many people worry about sitting too much, especially as they get older. Sitting for long hours has been linked to many health problems, including...

Obesity is known to increase the risk of many serious diseases, including diabetes, heart disease, and certain types of cancer. One of the most...

Morning exercise is linked to lower risks of heart disease, diabetes, obesity, and high blood pressure than activity later in the day.

Highlights: Women have a 21% lower risk of death from cancer compared to men Female patients face a 12% higher