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What is Dopamine? Dopamine is often referred to as a motivation chemical rather than just a pleasure chemical. It regulates mood, movement, energy, sleep, libido, and pain tolerance. Dopamine plays a key role in cognitive functions like memory, attention, and decision-making. The Concept of Dopamine Fasting Dopamine fasting does not reduce dopamine levels but aims to reduce compulsive behaviors that overstimulate the dopaminergic system. This approach involves reducing stimulating behaviors intermittently (e.g., hours per day or days per week) to reset the brain’s reward system. Dopamine's Role in Addiction and Stress Excessive stimulation, like addiction or chronic stress, can desensitize the brain to dopamine, causing reduced motivation and emotional regulation. Conversely, trauma may cause hypervigilance, where the brain responds too strongly to stimuli due to dopamine imbalances. Dopamine Receptors and Tolerance Tolerance develops when dopamine receptors downregulate after prolonged overstimu