A new study looks at whether human males are more egalitarian than are males among other mammals.

A modified suction cup device is effective at sexing chicken eggs early in incubation, report researchers.

Female and male mouse hearts respond differently to the stress hormone noradrenaline. That could have implications for human heart health.

Does having had COVID-19 change the body's response to other threats? Depends on your sex, researchers report.

A look at vascular insulin resistance shows how six cans of soda a day and being more sedentary affect men's and women's bodies.

Epigenetic changes linked to Parkinson's disease are different in men and women, according to a new postmortem analysis of brain neurons.

Men who eat more ultra-processed food are at higher risk for developing colorectal cancer than men who eat less, research finds.

A new artificial-intelligence-based scoring system for heart attack risk could help address disparities in heart attack mortality between men and women.

"For reasons that remain uncertain, women can experience heart disease differently than men." A gene called RAP1GAP2 may clarify why.

New research on sex and muscle signaling offers insight into how muscle functions, such as exercise, promote healthy longevity, metabolism, and cognition.