Hormones were only discovered about a hundred years ago. But since then, they've taken on a lot of significance, both in science and in western culture. Before we find out how hormones affect just about everything, let's look at the history of these powerful molecules. 

Our guest this week is Randi Epstein. She's a doctor, a medical writer and the author of: "Aroused: The History of Hormones and How They Control Just About Everything."  

For more information on today's episode visit helloclue.com/hormonal. And to find out how to support the work here at Clue, go to Clue.Plus.

Want to know the answer to the question at the beginning of the show? Go to "Helloclue.com: Getting wet: discharge vs. cervical fluid vs. arousal fluid."

For more on menstrual and medical history: 

Helloclue.com: A short history of modern menstrual products
Helloclue.com: How did menstruation become taboo?