A frequently used acronym in the Army is QA/QC, meaning quality assurance and quality control. The terms are often spoken as ...

Work smarter, not harder.

Experts explain what to know about the training method.

Experts detail the benefits of swimming, from strengthening your muscles to reducing inflammation and boosting your mental health—and how to get started. Swimming offers a low-impact exercise with ...

Run faster and more efficiently with these moves.

Anaerobic exercise uses glucose for energy, instead of oxygen. Aerobic (cardio) and anaerobic exercises both improve health, but only anaerobic exercises build muscle mass and strength. Anaerobic ...

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 ...

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 ...

Pre-workout supplements have become increasingly popular among women looking to ramp up their fitness routines. Depending on their ingredients, they can help build lean muscle, improve exercise ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Floor slides can improve your ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Objective To synthesise the evidence on the effects of physical activity on symptoms of depression, anxiety and psychological distress in adult populations. Design Umbrella review. Data sources Twelve ...