It’s not a secret that Jennifer Aniston has stayed in wonderful shape at 56, and that’s all thanks to her […] ...

Lizzo said she is a "former vegan" and animal protein has helped her lose weight. Her trainer shared with Business Insider the training regime that's helping her build strength. Corey Calliet said she ...

Seeking a personal trainer or fitness instructor with prior on-camera experience. Note: Should be familiar with workout and recovery routines for college or pro athletes, like football players.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Should you get a ...