David Raubenheimer is the Leonard P. Ullman Professor of Nutritional Ecology in the School of Life and Environmental Sciences, and Nutrition Theme Leader in the Charles Perkins Centre at the University of Sydney. Stephen J. Simpson is Academic Director of the Charles Perkins Centre and Professor in the School of Life and Environmental Sciences at the University of Sydney. David and Stephen are the authors of Eat Like The Animals the new groundbreaking evidence on what nature teaches us about the science of healthy eating. In this episode; How did they come to write a book on human nutrition?  How Stella the baboon shocked them when they studied her diet . What they found when they studied different animals and their diet. The million dollar question how or does this apply to humans? Why we MUST meet our protein requirements and what happens when we don't. What is protein leverage? How much should our average protein intake be as humans? Could this explain the obesity epidemic? What did they discover when they did a massive experience on fruit flies to see if the popular theory that calorie restriction helped with longevity. Or if it was what they ate that made the difference? Flies versus humans. What is the problem eating too much protein? Why is it better for reproduction but not longevity?  Looking to the science of what we ate as hunter gatherers what does it tell us? how our needs for protein from birth to death changes? https://www.eatliketheanimals.com/ Todays podcast is sponsored by Prolon The Fasting Mimicking Diet. Purchase your Prolon Kit today and get 10% off with coupon code KARENM10! Purchase your at home Hormone Test Kits here.  Start your membership to the OnTrack group coaching program to help you balance your hormones and lose weight.   Take the Hormone Quiz and find out what is stopping you from losing weight. Karen Martel, Certified Hormone Specialist & Transformational Nutrition Coach and weight loss expert.  Visit https://karenmartel.com/  Karen's Facebook Karen's Instagram