Medicine can get into your body in a few different ways. You can swallow a pill, drink a liquid, or get a shot. A suppository is another way to deliver a drug. It's a small, round or cone-shaped ...

Long QT syndrome is a leading cause of sudden death in young persons, with a prevalence exceeding 1 in 2000. It is characterized by prolongation of the QT interval, aberrant T-wave morphologic ...

A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

The internet represents a fundamental shift in how Americans connect with one another, gather information and conduct their day-to-day lives. For more than 20 years, Pew Research Center has documented ...