Mark Sisson is the best-selling author of The Primal Blueprint, The Keto Reset Diet and The Keto Reset Diet Cookbook, a former world-class endurance athlete, and one of the leading voices of the burgeoning evolutionary health movement. His blog, MarksDailyApple.com, has paved the way for Primal enthusiasts to challenge conventional wisdom's diet and exercise principles and take personal responsibility for their health and wellbeing. With over 2 million unique monthly visitors, the blog is one of the top-ranked health websites on the internet.