EpiPen is a first-line, emergency treatment for severe allergic reactions. Benadryl is used for milder allergic reactions. The decision of when to use one or the other depends on the specific symptoms ...

Caffeine is a substance that raises alertness and boosts energy. Most adults can safely consume up to 400 milligrams of caffeine daily, equivalent to about four 8-ounce cups of brewed coffee. For ...