Love and intimacy are at the roots of what makes us sick and what makes us well, what causes sadness and what brings happiness, what makes us suffer and what leads to healing...I am not aware of any other factor in medicine- not diet, not smoking, not exercise, not stress, not genetics, not drugs, not surgery- that has a greater impact on our quality of life, incidence of illness and premature death from all causes.

I'm a big admirer of Walter Willett's work. I think he's done some really important research. He and I agree on most things.

The need for love and intimacy is a fundamental human need, as primal as the need for food, water, and air.

The Internet has transformed many parts of our daily lives, touching everything from how we find information to how we go shopping, get directions, and even stay in touch with friends and family.

People don't dislike change, they dislike being changed.

We all know we're going to die one day, but who wants to think about it? What's sustainable is joy, pleasure and freedom.

One of the reasons my father ... became a dentist was so he could always be home for dinner and spend weekends with his family. At one point he had thought about being a musician, but he said, I'm not going to do that because I'd be on the road all the time and I wouldn't be with my family.