I've always been called "controversial." I think if I were not controversial I wouldn't be doing my job.

It's rare - too rare, I have to say - for botanists to become doctors.

Gardening is not trivial. If you believe that it is, closely examine why you feel that way. You may discover that this attitude has been forced upon you by mass media and the crass culture it creates and maintains. The fact is, gardening is just the opposite - it is, or should be, a central, basic expression of human life.

Most American diets, even bad ones, provide more than enough calcium for bone health, especially for men.

Healing is making whole, restoring a state of perfection and balance that has been lost.

The notion that a human being should be constantly happy is a uniquely modern, uniquely American, uniquely destructive idea.

Most disease is lifestyle related and preventable