Science is simply a powerful way of understanding what's real and what isn't, what's true and what's not. It can help us determine what works, what doesn't, for whom, and under what circumstances.

Preventing cardiovascular disease can help free up critical resources for treating HIV/AIDS and other illnesses.

When the U.S. claims the right to invade any country unilaterally and then defines a country like Iran or North Korea as 'evil,' then it is a rational response for these countries to develop nuclear weapons as the only military deterrent to invasion. We create what we most fear.

Too much power in any institution tends to stifle innovation.

While some people are certainly seeing economic benefits, many others are unemployed, underemployed, without health insurance and struggling to make ends meet.

The funny thing is, we teach - as a culture, we teach people that it's OK to talk about your fitness goals... Like, I want to be more physically fit, I want to drop 10 pounds, but no one's talking about how I can spend 10 days to get happier.

If you want to get healthy, you just might not want to go to a doctor. You might instead, go to church.

In my mid-twenties, I said to myself: 'I can't perform anymore!' I didn't know what I wanted to do. I didn't perform for a while, then ended up doing a one-woman show about Gilda Radner having cancer. It was called 'Gilda Defying Gravity,' and I did it on the Lower East Side. It was great; people really came out and supported me.