Lauren O’Connor, MS, RDN, is a health and lifestyle writer and five-time cookbook author based in Los Angeles. She is a registered dietitian with over 15 years of experience in the field, specializing ...

Personal trainers share their simple advice for making your workout work harder, from breathing differently to taking it ...

Barre3 is a fitness brand that offers classes combining strength conditioning, aerobic exercise, and mindfulness ...

Vincent Mauri’s latest long run was 26.39 miles at 5:18 pace. That alone would be enough to get people’s attention. But the detail you can’t leave out is where he did it: on a treadmill at Planet ...

Do you even know what HIIT stands for? We have the answer to that—and more.