Cold-­water bathing has a long history as a health hack. The ancient Greeks and Romans partook to treat fevers. Eighteenth-­century mental institutions employed a…

On Monday, a federal judge issued a preliminary ruling with a harsh reprimand for the Trump administration: You’ve done this vaccine stuff all wrong.…

At the turn of the 20th century, a sporty American woman would have had relatively few arenas to test her skill: croquet, maybe, or…