New research links higher death rates among diabetic women with coronary calcium scores greater than 100.

Among deep-sea anglerfishes, tiny males permanently attack to relatively gigantic females. New understanding of this process could benefit human health.

"Around the world, on every continent, we're observing that men are significantly more likely to be hospitalized with severe COVID-19..."

The findings could change how we diagnose and treat heart disease. They also demonstrate the importance of thinking about diversity in research.

Why does COVID-19 affect men more than women? It could be related to the hormones that cause hair loss in men, a new hypothesis suggests.

Women have a lower rate of colon cancer than men but a higher prevalence of the right-sided type that comes with a 20% increased risk of death.

"Many commonly used drugs such as ibuprofen are being overused and should not be used for certain conditions such as mild pain."

Why do people of different sexes vary in their susceptibility to various diseases? New research points to body fat and the immune system.

Having boys or girls is essentially random and doesn't depend on the parents' genes, researchers report.

Protein levels in a drop of blood can accurately predict someone's age, researchers say. The discovery sheds new light on how we age differently.