Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN Key Takeaways Happy hormones are neurotransmitters and chemicals that ...

A top-tier squatter explains the form, approach, diet, and recovery you need to smash your next PR under the bar.

You might hit the gym for aesthetics. But beyond the mirror gains, your muscles are doing more than you think. Every squeeze, squat, and sprint floods your body with myokines, so-called hope molecules ...