I’ve been watching Dr Berg’s educational vidoes on YouTube and he is ABSOLUTELY THE BEST. His information is backed by proof, he explains everything clearly and it’s easy to understand. I do both keto and intermittent fasting and it works wonders. If I have a question, I simply reference his videos. Thank you for all you do Dr. Berg! Can’t wait for any other courses (keto, intermittent fasting, thyroidism, diabetes, Insulin, glucose, weightloss, etc) you will offer and hopefully soon its with a certification!