4 HORMONES IN OUR BRAIN That Promote Happiness The human brain is the command center for the nervous system and not only brain is a complex organ, but it has at least three levels of functions that affect all aspects of our daily lives: interpretation of senses and control of movement; maintenance of cognitive, mental, and emotional processes; and maintenance of normal behavior and social cognition (14). According to research, there are four primary brain chemicals (hormones) that are responsible for a substantial portion of an individual’s level of happiness. Dopamine, serotonin, oxytocin, and endorphins are the names of the four chemicals that are found in the brain. 1. DOPAMINE Dopamine, also known as the “happy hormone” and sometimes “love hormone” is responsible for producing sensations of general well-being. As a neurotransmitter, dopamine is what drives us on toward our objectives (2 & 12). When we complete a task or achieve a goal, our brain releases dopamine that mak