Holly Williams is a CBS News senior foreign correspondent based in the network's CBS London bureau. Williams joined CBS News in July 2012, and has more than 25 years of experience covering major news ...

Exercise and physical activity can improve bone strength and the risk of falls, which may offer benefits in the prevention and management of osteoporosis. However, uncertainty about the types of ...

If you’ve ever climbed stairs, carried a heavy object, hiked up a mountain, played tug of war, or done a squat, congratulations: You’ve done resistance training without even knowing it. This form of ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Repeated exercise sessions on a treadmill strengthen the wiring in a mouse’s brain, making certain neurons quicker to activate. Researchers found that this ‘rewiring’ was essential for mice to ...

Aerobic exercise, such as running, swimming, and dancing, may be most effective for relieving the symptoms of depression and anxiety, finds an overarching (umbrella) review and data synthesis of the ...