Dad went to bed with a cough and died of a cardiac arrest. 6 years later, the same happened to his son (exclusive)

While speaking exclusively with PEOPLE, Amber Selvey revealed there was no known family history of Alagille Syndrome before ...

Scientists put flu patients in a room with healthy people—no one got sick. Why?

But Dr. Milton thinks one reason why the healthy participants didn’t get sick is that they were middle-aged adults who have had years of exposure to the flu. As a result, they may have more of a ...