This article was reviewed by Felix Gussone, MD. Key Takeaways: Body composition offers a clearer picture of health than ...

The misconception that muscle can be lean or bulky lies in its appearance. “When people (say ‘lean’), they’re usually ...

Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

Arrowhead Pharmaceuticals reported early trial data showing notable reductions in body, liver, and visceral fat from two experimental obesity drugs, with more results expected in 2026.

The treatment also prevented the development of arthritis after knee injuries such as ACL tears often experienced by athletes ...

A retired Navy SEAL said he stays strong and healthy with exercises to build muscle and boost longevity even when he's ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

China's ultra-fast, industrial-scale 3D printing firm is scaling flexible materials from shoes to humanoid robotics.

A treatment that blocks an age-related protein restored cartilage in aging and injured joints by reprogramming existing cells ...

Some women climax into laughter, tears, or pain — and science is finally explaining why that doesn’t mean something is wrong.

Dr. Dan Belsky joins WIRED to answer the internet's burning questions about longevity and epidemiology. Why do we grow old ...