Your dollar cheeseburger isn't a dollar if you factor in what it's going to cost in health care.

Benjamin Franklin refused to have one of his children vaccinated against smallpox. The four-year-old boy died, and Franklin wrote later of how mistaken he was to expose him to the needless risk.

I understand the horrors of having no insurance, but, believe me, eight hours of sleep and good meals are NOT going to prevent you from getting sick. Don't gamble with your life; it's a stupid bet.

People wrap themselves in their beliefs. And they do it in such a way that you can't set them free. Not even the truth will set them free.

I think it is true that you can eat extremely healthy food at McDonald's, and you can eat amazingly badly at Chipotle.

I have never earned one penny from any pharmaceutical company. I will never accept one penny from them either. Ever.

Be sceptical, ask questions, demand proof. Demand evidence. Don't take anything for granted. But here's the thing: When you get proof, you need to accept the proof. And we're not that good at doing that.