I know of no culture in the world at present or any time in the past that has not been heavily involved with one or more psychoactive substances.

If you have difficulty sleeping or are not getting enough sleep or sleep of good quality, you need to learn the basics of sleep hygiene, make appropriate changes, and possibly consult a sleep expert.

I've always been willing to take risks and chances. Often I'm on talk shows and hosts will ask 'How do you feel about it, when people say you're controversial?' And I say that, 'I think if I stop being controversial, I wouldn't be doing my job.

In my experience, the more people have, the less likely they are to be contented. Indeed, there is abundant evidence that depression is a 'disease of affluence', a disorder of modern life in the industrialized world.

Human bodies are designed for regular physical activity. The sedentary nature of much of modern life probably plays a significant role in the epidemic incidence of depression today. Many studies show that depressed patients who stick to a regimen of aerobic exercise improve as much as those treated with medication.

I find that low protein diets often contribute to improvement in patients with immune system problems ... In fact, it would be hard to become deficient in protein in our country even if you tried.

Human beings have survived for millennia because most of us make good decisions about our health most of the time.