Dopamine: The Currency of Desire
Rethinking the “pleasure molecule” could help scientists better understand addiction, Parkinson’s disease and motivation
When Stephanie,* a 34-year-old middle manager from the Midwest, began to overeat, it was not typical behavior for her. She had never before had trouble with her weight. But in 2009 she started to feel an overwhelming hunger—particularly for sugar—and was soon rapidly piling on pounds.