Chicken fat, beef fat, fish fat, fried foods - these are the foods that fuel our fat genes by giving them raw materials for building body fat.

In my own life, I decided to leave meat off my plate in medical school, but was a bit slow to realise that dairy products and eggs are not health foods either.

We help people to begin truly healthful diets, and it is absolutely wonderful to see, not only their success, but also their delight at their ability to break old habits and feel really healthy for a change.

I have been following a vegan diet now since the 1980s, and find it not only healthier, but also much more attractive than the chunks of meat that were on my plate as a child.

A public option is essential to creating the cost-savings necessary to offset the cost of providing all Americans access to affordable health care.

I have young kids. The fiscal burden that will be imposed on them is going to depend primarily on whether we tackle this looming problem in our health care system - with rising costs that don't seem, by the way, to be necessarily associated with higher quality. That is the key burden that they will face.

The wellness and prevention market will outgrow the health care market.

Every cancer is different. The symptoms and treatments are different, and every human body deals with it differently. There are no formulas to it. That, I think, was the biggest takeaway for me.