Mark is a wealth of knowledge on all things diet, exercise and lifestyle. He's a CHEK Practitioner and lifestyle coach, he's qualified in Functional Diagnostics Nutrition (FDN), which enables him to conduct and interpret hormonal panels. food intolerance testing and many other things, and he's also an expert in Emotional Freedom Technique, otherwise known as EFT or Tapping I hope you enjoy his unique take on health and psychology as much as I do.