Background There are limited studies regarding risk factors for sports-related injuries in adolescent athletes.Objectives The ...

A new study explores “heartbeat consumption,” a fitness metric that counts daily heartbeats. Could smartwatches soon track your heartbeat budget?

Women usually live longer than men, and animals show the same pattern. Evolution, genes, and parenting explain why.

Sexual behavior is one reason why female mammals typically live longer than their male counterparts, according to a new study ...

Intersex associate Professor Georgiann Davis worries about lying to students about biological reality amid political pressure ...

Across 1,000 species, males die younger than females—even in zoos. A global study shows biology, not just lifestyle, drives ...

Background Objective measurements estimated that 1.57 billion people globally had hearing loss in 2019. However, where ...

Olympic champion runner Caster Semenya is ending a seven-year legal challenge against sex eligibility rules in track and ...

Caster Semenya concluded a legal fight over track and field rules requiring DSD athletes with high testosterone levels to ...

Canadian officials warn citizens of entry restrictions to the U.S. and other countries, citing specific passport concerns.

The interplay between genetics, sexual selection, and parental care appears to play a part in causing this bias, while ...

Secretary of Defense Pete Hegseth announced on Tuesday that there would be new, strict fitness standards enforced on the U.S.