Several science-backed approaches can help build lean muscle, including resistance training, sleeping enough, and eating a nutrient-rich diet high in protein.

As a personal trainer, I know that getting lean and losing weight doesn't always require a gym or heavy weights. With the right bodyweight circuits for weight loss on deck, you can boost your heart ...

But here’s the thing. While sub-10 percent body fat is impressive, and the heroin-thin ’90s look was a goal for plenty of ...