Elle Russ is a writer, actor, health/life coach, and host of the Primal Blueprint podcast. She is becoming the leading voice of thyroid health in the burgeoning Evolutionary Health Movement (also referred to as Paleo, Primal, or Ancestral Health). Elle wrote The Paleo Thyroid Solution after consulting with over two dozen endocrinologists, internal medicine specialists, and general practice MDs. On this episode of Bulletproof Radio, Dave and Elle talk about hypothyroidism, TSH, T3, T4 and how to test for them, low body temperatures, functional medicine and more. Enjoy the show!