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.

Because the biological mechanisms that affect our health and well-being are so dynamic, when people change their diet and lifestyle, they usually feel so much better, so quickly; it reframes the reason for changing from fear of dying to joy of living. Also, the support that patients give each other is a powerful motivator.

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

Poor health is not caused by something you don't have; it's caused by disturbing something that you already have. Health is not something you need to get, it's something you have already if you don't disturb it.

When I use the word spirituality, I don't necessarily mean religion; I mean whatever it is that helps you feel connected to something that is larger than yourself.

People who are lonely and depressed are three to 10 times more likely to get sick and die prematurely than those who have a strong sense of love and community. I don’t know any other single factor that affects our health - for better and for worse - to such a strong degree.

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.