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The Molecule of More
In *The Molecule of More*, neuroscientists Daniel Z. Lieberman and Michael E. Long demystify dopamine—once mislabeled the "pleasure molecule," but actually the brain’s relentless engine for "more." They break down how this single chemical drives everything from the inevitable fade of romantic passion (when thrilling new possibilities turn into routine) to destructive addictive behaviors, where the urge to want overrides the joy of liking. The book explores dopamine’s dual roles: fueling genius and creativity (linking it to both groundbreaking innovations and mental illness) while shaping political ideologies—liberal thinkers lean into its future-focused drive, conservatives prioritize present-focused stability. It also traces dopamine’s role in human migration, showing how a specific genetic variant helped our ancestors thrive in uncharted lands. Finally, Lieberman and Long argue that true happiness comes from balancing dopamine’s endless pursuit of tomorrow with the quiet joy of present-molecule-driven moments, like deep connection or hands-on creativity.
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