In the city of Koka in Shiga Prefecture — also known as a “ninja village” — a written copy of the original, famous book on the art of ninja, “Karinseiyo,” has been discovered at a local shrine.

For three months this year, I bled nearly every day. My doctor doesn’t know why. Google doesn’t know why. The condition is simply called “postmenopausal bleeding,” and medicine’s best guess as to the ...

Much of what we know about menstruation is wrong is because of societal biases. Kate Clancy hopes that her book will shed light on the truth. The following is an excerpt from Period: The Real Story of ...

Saying the phrase “menstrual blood” or or the word “period” can feel almost dirty. That’s because in the western world, people with periods are taught not to discuss this exceedingly normal biological ...

If you purchase an independently reviewed product or service through a link on our website, SheKnows may receive an affiliate commission. Half of all the people in the world menstruate (or have bodies ...