'Tis the season of heaping plates, sweet treats, endless holiday parties, lazy days off work and all-too-often, expanding waistlines.

When trying to lose weight, how much should you lose and how fast should you do it?

Did you know the majority of adults spend more than half of their day sitting?

Getting older comes with a lot of changes, and one of those changes might be how your muscles react to inactivity, according to a new study.

For frail, inactive adults, sedentary behaviors like sitting may raise their risk of dying, according to a new study.

Taking medications as prescribed can make all the difference and this is no different for those with diabetes, according to a new study.

Even a small increase in the number of kids who get regular exercise could help keep kids healthier into adulthood and save billions in medical costs, a new study found.

For older adults with heart disease, physical activity is key to staying independent and promoting heart health, according to a statement from the American Heart Association (AHA).

Lifestyle choices may help prevent heart failure, including a type that's usually resistant to available therapies, a new study found.

Although muscle-building supplements are not recommended in teenagers younger than 18, teens may have easy access to them, a new study found.