Which neurotransmitter is primarily involved in the regulation of mood and is often referred to as the "feel-good" chemical?

The neurotransmitter that is primarily involved in the regulation of mood and is often referred to as the "feel-good" chemical is serotonin. This neurotransmitter plays a crucial role in the stabilization of mood, feelings of well-being, and happiness. Low levels of serotonin are associated with mood disorders such as depression and anxiety, which highlights its significance in emotional regulation.

Serotonin influences various psychological and bodily functions, including appetite, sleep, memory, and learning. By modulating mood and emotional state, it helps regulate the experience of positive feelings and overall satisfaction in life. This is why it is frequently linked to feelings of happiness and joy.

Other neurotransmitters also play important roles in mood regulation. For example, dopamine is associated with the brain's reward system and is tied to feelings of pleasure and satisfaction, particularly in response to rewarding stimuli. Endorphins are natural pain relievers in the body and can promote a sense of euphoria, especially during stress or physical exertion. However, serotonin is specifically crucial for mood stabilization and is often targeted in treatments for mood disorders.