They were conscientious objectors who refused to fight in World War II. So they found another way to serve: they offered their own bodies for dangerous medical experiments.

For 100 years we've been trying to kill mosquitoes. What if the real problem was us?

We've spent decades trying to kill mosquitoes. So why do they seem to be getting better at living with us?

You can bring doctors, laboratories, and protective equipment to an Ebola outbreak. But you can't ship trust in a box.

Who should make the final decision about your death?  You, your family, your doctor...or a disease that slowly takes away your mind?

Your body was built for a world that no longer exists — and that mismatch might be making you sick.

When the family of a longtime patient invited me to her funeral, I found myself wrestling with a question I never addressed in medical school.

New Alzheimer's blood tests are accurate, available, and increasingly advertised — but for healthy people, a positive result is rarely useful.

Standard medical practice isn't the same as proven medical practice — and the difference can be deadly.

It’s the same medicine. So why does the convenient version cost so much more?