childhood asthma

Most genetic studies look only at people of European descent. But black and Hispanic children are far more likely to die of asthma, and genetic differences may help explain why.

In polluted Pittsburgh, a new device from a local university helps residents assess indoor air. It's not the only monitor on the market — but is the only one available to borrow from a public library.

Children who live in cities in the Northeast are much more likely to have asthma. But a wider look finds that poor children in the suburbs are at high risk, too.