Key Takeaways Gladiators only fought 2-3 times annually, spending most of their time training intensively in gladiator ...

New research on heart rate variability suggests that composure isn’t a personality trait. It’s a physiological skill the nervous system can train—one that may determine who thrives when the stakes are ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness ...

A dual cross-linked magnetic polymer solves the fundamental trade-off limiting soft artificial muscles, achieving unprecedented combinations of stretchability, force output, and shape-programming ...