After reading something that said her menstrual cycle changes her brain each month, Senior Correspondent Molly Webster goes on a reporting mission to see if that’s true, and, if so, how.

This journey into sex hormones and the brain involves females and males, and exacting self-experimentation. It gets into PTSD, and ends with a new twist on self-care (hint: it’s biological). And, it starts to reveal a sneaky truth: that each one of us is at the mercy of a crashing sea of chemicals inside of us – those things we call hormones.

Special thanks to Emily Jacobs, Laura Pritschet, Pavel Shapturenka, and Dr. Catherine Woolley.

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For more on how much variability there is between female and male animals, check out this “groundbreaking” study, referenced by Emily Jacobs in our episode

Dr. Catherine Woolley has revolutionized the field of neuroscience and sex hormones, here’s more about her work …

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