Jason Fung 1of2: What is the correct cause of obesity? Part 1

Dr Jason Fung shares research showing why we get fat: The simplistic "eat less and move more" is ineffective 99% of the time. Rather, the ultimate cause of obesity is hormonal. Studies show clearly that reducing calories simply does not work. Reducing insulin is the most effective way of long term weight loss.
How to reduce insulin? https://youtube.com/playlist?list=PLYNYbPuk1AIwsxfLXxGrpQDSNcXCYTTeI
Original Youtube video link: https://youtu.be/ZKC3hiyLeRc