(Christal Yuen/ Healthline) — We get it. Details of blood can make anyone shy.

Remember when we got the infamous talk about sex, hair, odor, and other bodily changes that signaled puberty is coming?

I was in middle school when the conversation turned to ladies and their menstrual cycles. Somehow, one of the boys in our group  …

(Saumya Kalya/ The Swaddle) — Long-term exposure to air pollutants can greatly increase the risk of developing dysmenorrhea, a condition in which people experience severe cramps and period pain, according to a new, important study that decodes the role air pollution plays in menstrual cycle function.

Dysmenorrhea is  …