Data analysis reveals a stable, cross-cohort female cancer mortality excess at ages 35-60, contrasting with female advantages in cardiovascular and external-cause mortality. Breast cancer drives the ...

Scientists are making inroads in understanding one of the central mysteries of human reproduction: Why do women’s eggs deteriorate as they age? The broad strokes have been well-known — the ticking of ...

The cellular biology of reproduction is often depicted as an epic journey, in which millions of intrepid sperm fight to be the first to claim the ultimate prize: the chance to fertilize the egg, which ...

In recent months, the efficacy of contraception for people taking weight loss medications has been questioned, as several women claim to have gotten pregnant despite using oral contraceptives. Despite ...

Cat Bohannon, author of Eve: How the Female Body Drove 200 Million Years of Human Evolution, says sexism is a massive set of rules all cultures have to control female reproduction. For Bohannon, sex ...

In this population-level cohort study of 20 low-mortality countries, females ages 35 to 60 experienced disadvantage in cancer mortality compared with males—a consistent pattern observed across birth ...

It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and feminine ...

Scientists from the Zoological Survey of India and MES Mampad College of Calicut studied the anatomy of more than a hundred ...