Why do women have periods?

A handful of species on Earth share a seemingly mysterious trait: a menstrual cycle. We’re one of the select few. Monkeys, apes, bats, humans, and possibly elephant shrews are the only mammals on Earth that menstruate. We also do it more than any other animal, even though its a waste of nutrients and can be…

Nina Teicholz at TEDxEast: The Big Fat Surprise

Translator: Rhonda Jacobs Reviewer: Peter van de Ven Well, hello everybody. (Applause) (Cheers) That’s so nice of you. So, like probably many of you, and probably most of the Western the world, a decade ago, I was just totally confused about what to eat. And that’s kind of no surprise because there’s a lot of…