You think you know, but do you really? Obesity is one of things where we think we know, but in reality we believe whatever people tell us, and there is a lot of misinformation out here. A lot. In our opinion, weight gain, weight loss and obesity is one of the most misunderstood topics in the world. Yes, world.
Take the Obesity 101 course here, authored by Dr. Jason Fung from the IDM program.