Mary Brophy Marcus

Babies around the world face a lot of risks to their health: pneumonia, diarrhea and malaria, to name a few.

But it turns out that no single infectious disease takes a greater toll than the simple fact of being born premature.

Premature birth is now the single largest cause of ...

Wilson Kipsang, the Kenyan winner of Sunday's New York City Marathon, told reporters after it was over that he'd had to slow down — to "exercise a lot of patience" — as he logged the first miles of the 26.2-mile race.

And even with his purposely slowish (!) ...