That sharp flinch during a violent movie scene is familiar to many people. A hand slams, a body falls, and your own muscles tighten in response. The reaction feels instant and personal, even though ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. More than 3,600 chemicals ...

A new study shows that engineered, cell-free cartilage can safely support bone regeneration without provoking immune rejection. New research suggests it may be possible to repair major bone damage ...

The average brain may contain a spoonful of plastic, a new study suggests. The number of tiny bits of plastic found in human brains increased dramatically between 2016 and 2024, with the highest ...

A study from the University of Ottawa's Human and Environmental Physiology Research Unit (HEPRU) has confirmed that the limits for human thermoregulation—our ability to maintain a stable body ...

A multi-institutional team led by the Chinese Academy of Sciences has constructed a proteomic atlas of human aging across 13 organs, revealing tissue-specific aging clocks, transcriptome-proteome ...

The cure for male pattern baldness could already be in the human body. The condition, which causes gradual hair loss, affects up to 50% of men worldwide. Researchers at the University of Sheffield in ...

Astronauts on a future mission to Mars may not make it all the way to the Red Planet and back without experiencing kidney failure, new research has found. While not usually considered one of the main ...