Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. How does your genetic inheritance, culture and history influence your health? Biological anthropologist Lara Durgavich discusses the field of evolutionary medicine as a gateway to understanding the quirks of human biology — including why a genetic mutation can sometimes have beneficial effects — and emphasizes how unraveling your own evolutionary past could glean insights into your current and future health.