Calcium is the essential "on switch" for muscle contractions and a critical partner in maintaining hydration during hard ...

This expert-designed body-weight routine helps improve bone strength, balance and mobility.

Weight alone can mislead your health. Learn why body composition—muscle, fat, water, bone—matters, and how the YMCA’s new ...

It seems like you can't go anywhere without seeing someone wearing a weighted vest. They're at the gym, on hiking trails, in public parks and on social media feeds, where influencers claim wearing one ...

Magnesium and phosphorus might not make headlines like calcium or iron, but these unsung heroes perform countless vital functions throughout your body every day. These minerals work tirelessly behind ...

Protein needs vary by goals, such as muscle gain or pregnancy. Getting the right amount of protein can help build muscle, ...

Starting around age 30, adults naturally lose 3-8% of muscle mass per decade if they are not active. This decline in muscle ...

Katia Riddle is a correspondent at NPR covering mental health. She has reported extensively on the impact of events such as Hurricane Helene, Los Angeles wildfires and the loneliness epidemic. Prior ...