Fear conditioning is a type of classical conditioning that involves pairing an aversive stimulus (such as an electric shock) with either a neutral context (such as a location) or stimulus (such as a ...

Erectile dysfunction (ED) is the inability to get or keep an erection firm enough to have sexual intercourse. It’s sometimes referred to as “impotence,” but this term is now used less often. ED can ...

Colleen Stinchcombe is a health, environment, and outdoor recreation writer based near Seattle, WA. In addition to Health, her work has been published by SELF, Outside Online, Sierra Magazine, Lonely ...

Amanda MacMillan is a health and science writer and editor. Her work appears across brands like Health, Prevention, SELF, O Magazine, Travel + Leisure, Time Out New York, and National Geographic's The ...