The most common hormonal condition in women, and one of the most misnamed
PCOS affects up to one in ten women and is a leading cause of infertility, yet its name is misleading, since the cysts are not really cysts and many women with it have none.
MATRIA
Most-searched in 2026
6 topics. 6 rest on strong human evidence. Ordered with the best evidenced first.
The most common hormonal condition in women, and one of the most misnamed
PCOS affects up to one in ten women and is a leading cause of infertility, yet its name is misleading, since the cysts are not really cysts and many women with it have none.
The organ built for pleasure, mapped in full only recently
The clitoris is the only human organ whose sole known job is pleasure, and most of it sits hidden inside the body. Its full anatomy was not accurately published until 1998.
Four phases, one feedback loop, and a monthly rehearsal for pregnancy
The cycle is a conversation between the brain and the ovaries that repeats roughly monthly, and knowing its four phases explains most of what changes across the month.
The drug that reshaped women's lives, and what it actually does
Approved in 1960, the combined pill made reliable, woman-controlled contraception possible for the first time, and it works by using hormones to switch off ovulation.
Why women get them so much more often, and what actually prevents them
Women get urinary infections far more often than men because of anatomy, and while antibiotics remain the treatment, a few prevention steps have real evidence and many popular ones do not.
Common, learnable, and long under-researched
Orgasm is a normal, healthy reflex that most women can experience, most reliably through clitoral stimulation, and difficulty with it is common and usually addressable.