Water bottles, hand sanitizer, anti-bacterial soap, vitamin supplements, broad spectrum antibiotics - ancient man had none of these things, and yet in harsh conditions he not only survived, but thrived. The study of evolutionary medicine illuminates how the past adaptation of early humans to their ancestral environment now affects contemporary humans with our vastly different diet, life expectancy, degree of physical exercise, and hygiene.

This week on Skepticality, Swoopy talks with Dr. William Meller, MD about his book "Evolution RX" which delves into the latest research in genetics, biology, and early human history in order to better understand a wide array of human health conditions and the ways in which our bodies have evolved to combat them.