The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Strength training bigger muscles can give your heart a workout, says Dr. Joseph Herrera, a sports medicine expert. Learn more ...

Jenessa Connor is a writer with experience writing health, fitness, and nutrition topics for publications, websites, companies, and experts in wellness spaces. The most effective exercise routines ...

Nancy Wells crossed the finish line of the 2025 Glass City Half Marathon in Toledo, Ohio, feeling elated. That in itself wouldn’t be unique—for one, the now 55-year-old has run over 60 marathons and ...