Dr. Fung explains why the calorie-centric model of obesity doesn't provide guidance for how to lose weight.

Dr. Fung explains why the calorie-centric model of obesity doesn't provide guidance for how to lose weight.

IDM Patient John battles kidney disease, and has a successful transplant

IDM Patient John battles kidney disease, and has a successful transplant

IDM patient Diana learns that the only way to stay focused on her long-term weight loss is to forgive herself when she slips up.

IDM patient Diana learns that the only way to stay focused on her long-term weight loss is to forgive herself when she slips up.

Megan Ramos answers questions from social media.

Megan Ramos answers questions from social media.

IDM patient Mona discovers the counter-intuitive nature of a dietary intervention that ultimately healed her

IDM patient Mona discovers the counter-intuitive nature of a dietary intervention that ultimately healed her

IDM patient Melissa overcomes years of yo-yo dieting.

IDM patient Melissa overcomes years of yo-yo dieting.

IDM patient Glenda succeeds despite the scorn from her friends, family, and doctors

IDM patient Glenda succeeds despite the scorn from her friends, family, and doctors

IDM patient Dawn stares down her sugar addiction

IDM patient Dawn stares down her sugar addiction

Kim Klein blamed herself for her inability to control her hunger and her weight. No matter what she tried, it didn't work. After learning about how insulin regulates weight and hunger, she was able to bring it under control. Dr. Fung has a theory about why the medical profession continues to point the blame at patients when there is clearly an epidemic of obesity and diabetes.

Kim Klein blamed herself for her inability to control her hunger and her weight. No matter what she tried, it didn't work. After learning about how insulin regulates weight and hunger, she was able to bring it under control. Dr. Fung has a theory about why the medical profession continues to point the blame at patients when there is clearly an epidemic of obesity and diabetes.

IDM Patient Emily finds that while exercise didn't help her lose weight, the diet that did help her lose weight improved her exercise performance.

IDM Patient Emily finds that while exercise didn't help her lose weight, the diet that did help her lose weight improved her exercise performance.

IDM patient Natasha's puzzle started with a small tumor on a gland at the base of her brain, but the real detective work was finding a treatment.

IDM patient Natasha's puzzle started with a small tumor on a gland at the base of her brain, but the real detective work was finding a treatment.

IDM Patient Derek used a ketogenic diet and fasting to help him fight off stage 3 colo-rectal cancer.

IDM Patient Derek used a ketogenic diet and fasting to help him fight off stage 3 colo-rectal cancer.

A physician comes to grips with the bad dietary advice she got from medical school and dietary experts, just like the rest of us.