Mark Hyman

Paradoxically Americans are becoming both more obese and more nutrient deficient at the same time. Obese children eating processed foods are nutrient depleted and increasingly get scurvy and rickets, diseases we thought were left behind in the 19th and 20th centuries.

It seems that for many the cure to acne is at the end of their fork, not in a prescription pad.

We have to pay close attention to what we see, and be ready to work with the unexpected according to the basic principles of systems biology and medicine.

Part of my training was learning how to refer patients to cardiologists for heart problems, gastroenterologists for stomach issues, and rheumatologists for joint pain. Given that most physicians were trained this way, it's no wonder that the average Medicare patient has six doctors and is on five different medications.

While weight loss is important, what's more important is the quality of food you put in your body - food is information that quickly changes your metabolism and genes.

Shrinking someone's stomach to the size of a walnut with surgery is one way to battle obesity and diabetes and may be lifesaving for a few, but it doesn't address the underlying causes.