Krista Conger

The secret of your smile remains one of life's persistent questions

Stockholm calling

When a little incision is a big deal

Turning surgery inside out

The human race muddles along

A baby-killing disease meets its match

The hidden competition for U.S. health-care resources

One man's extraordinary career in children's film – X-ray film, that is

It's all in your head
Pain's stronghold

When it comes to medicine for kids, finding a dose that's just right is largely a matter of luck