He reveals the hidden teaspoon of sugar in your everyday food, the link between sugar and cancer, and why the average person will spend 23 years of their life in poor health.

Dr. David Unwin is an NHS GP with over 40 years in general practice, known for his expertise in reversing Type 2 diabetes through dietary changes. He was named NHS Innovator of the Year in 2016 and is the co-author of the most-read paper in BMJ Open, on reversing Type 2 diabetes through a low-carbohydrate diet.