Our limbic system is composed of several parts of our brain: the amygdala, hypothalamus, thalamus, and hippocampus. “This system is key in helping us react to the world emotionally in ways that ...

It is secreted by the hypothalamus, the brain’s most important hormone source. Dopamine acts primarily on the limbic system and also plays a major role in reward and euphoria. When we are in love, the ...