When a drug comes out [that's broadly prescribed] there are going to start to be a lot of people on it [in a million person cohort] and you might get therefore an early signal of something unexpected that hadn't come through in the clinical trials. And I'm sure [drug companies] would love it if, in fact, FDA, recognizing that, would say, OK, maybe you don't have to do your trial with 30,000 people because we're going to find out shortly after registration because we'll have a lot of people taking the drug and we'll be able to see what happened using PMI.

Successful weight management really means a permanent change in lifestyle - and success in this arena provides that person with a great opportunity to model that behavior for friends and family.

C.S. Lewis had a big influence on me in this spiritual realm - this sort of sense of longing. A longing for a knowledge that is just outside of our reach, a knowledge for a spiritual connection.

I think history would say that medical research has, throughout many changes of parties, remained as one of the shining lights of bipartisan agreement, that people are concerned about health for themselves, for their families, for their constituents.

I'm enormously interested to see where neuroscience can take us in understanding these complexities of the human brain and how it works, but I do think there may be limits in terms of what science can tell us about what does good and evil mean anyway, and what are those concepts about?

As an atheist evolving to agnosticism, and seeking answers to whether or not belief in God is potentially rational, my life was turned upside down 35 years ago by reading C. S. Lewis's Mere Christianity.

I'm a serious Christian. I take my faith seriously. I try to practice it every day of the week, not just on Sunday.