President's Day is Monday. Here's what to know about it's history, including how it got started and what it has become.

Professors Archon Fung of Harvard Kennedy School and Lawrence Lessig of Harvard Law School say Trump’s brazen embrace of ...

The term mental hygiene has a long history in the United States, having first been used by William Sweetzer in 1843. After the Civil War, which increased concern about the effects of unsanitary ...