LifestyleHappinessTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyleMarcus Schlench08/16/2012August 16, 2012It's a fact: when feelings of happiness are due to biochemical messenger substances in the brain. These include the hormone dopamine. It's released by our brain and nerve cells when we experience something pleasant.https://p.dw.com/p/SCrKAdvertisement