Here are the basics on the chemicals in your body that make life feel like sunshine and rainbows: Start the day smarter. Get all the news you need in your inbox each morning. There are four main ...

Hormones, produced by various glands throughout the body, play critical roles in numerous bodily functions, including mood regulation. Known as "happy hormones," certain hormones can significantly ...

Almost everything that makes you feel "happy" is linked to one of the four ... but it also helps regulate other functions in your body like digestion, sleep and bone health. When it comes to ...