From a Pacific island overrun by rats to hospital wards battling superbugs, why our best intentions so often backfire.

Would you take $5,000 to be in a painful medical study? And should researchers even be allowed to ask?

We'd never ask a breast cancer patient what she did to deserve it. So why do we ask her?

Veterinarians in Central Africa are bracing for an Ebola outbreak among gorillas. It might sound remote. It's not.

I packed my bag, crossed the border, and eventually flew home to safety. The health care workers I left behind had no such option.

From the Uganda-Congo border: a firsthand account of an Ebola outbreak, a failing response, and the political decisions that made it worse.

America built the global health system that protects us all — and then walked away from it.

What if one of the most common surgeries performed in the world turned out to be no better than a fake one — and we kept doing it anyway?