I think it's too soon to say that, and I think, basically - most of the people that I ran across and most of the studies that I saw suggest people don't go to McDonald's to eat healthy food. They go to eat fries and cheeseburgers.

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

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.

In the Internet age, with the screaming on the radio, etc., it is hard to know what to believe and who is informed and who is not.

I think it's too soon to say that, and I think, basically - most of the people that I ran across and most of the studies that I saw suggest people don't go to McDonald's to eat healthy food. They go to eat fries and cheeseburgers.

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

I started to write about science and medicine at the Washington Post, in the early days of the AIDS epidemic.