How does blood chemistry differ between those who are more active and less active? How is fitness linked to molecular changes ...

Background: Mechanical joint stress imposed by high body mass index (BMI) is associated with increased risk of knee and hip osteoarthritis. This prospective study investigated the independent and ...

We know exercise is protective against obesity, but what’s less clear is the optimal time to workout for weight loss. Does it really matter? Researchers explore The post Is morning or evening exercise ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. The benefits of exercise ...