Safety is the name of the game. Period.

In today's show, Katy talks about reproductive health, including menstrual cycle health, hormonal health and fertility through one of her favourite lenses - evolutionary biology. It looks at the way humans evolved and some of the key features that make us distinct from other mammals and how this ties into the delicate balance of energy expenditure perceived by our brains, making perceived safety one of the most fundamental aspects to our reproductive health.