"In a recent post (Intoxicating Behaviors), I suggested that today's super-enticing fattening food and hyper-stimulating sexual videos could numb most brains' pleasure response if their owners overdo it enough. This past week, new research confirmed that too much stimulation indeed progressively numbs the brains of people who engage in it, decreasing their satisfaction. It also points to a way out. Over six months, the brains of women who ate more fattening foods changed. They showed less response to pleasure (than those who didn't gain), which made the women more apt to overeat. In effect, the brain changes eroded their self-control, setting them on a downward spiral."
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