Dust off your running shoes and don your jacket—a little physicality is the best way to ward off midwinter miseries.

Chemical changes seen in cancer patients are also found in people who vape or smoke.

Although it’s not the fountain of youth or a magic elixir, this B vitamin has surprising ties to disease, aging and mental state.

During therapy and long afterward, a commitment to physical activity could be the best way to improve quality of life.

Your odds of quitting for good will improve if you lean on therapies and others for help.

The trick? Learn to strike the ideal balance between vegetable sources and whole grains.

Some who take medication for high cholesterol or blood pressure might stop exercising or gain weight in later years.

Vietnam veteran Charlie Bell thanks God and his medical team for a lung transplant that gave him a new lease on life.

Adults in certain work environments pick up toxic dust and contaminants, carrying them home on clothes and shoes.

Memory and thinking skills may decline faster in Parkinson's patients who have a high-risk gene variant.

When Matt Bailey's weight caused a boat to almost sink, he flooded his life with change. He's since lost 140 pounds and gained confidence.

If you're aiming to kick the habit or change a problematic behavior, you don't have to do it alone—but it does come down to you.