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

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.

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

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

It is not possible to assert publicly that Monsanto is anything other than venal without being accused of being a sellout, a fraud, or worse.

There are always potential side effects for every vaccine.

Vaccination is a public health issue because influenza is a highly contagious disease. If you don't vaccinate your child, his or her schoolmates are much more likely to become ill. That is why some places (New York, for example) are making the vaccine mandatory for school children.