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Science confirms it: Love leaves a mark on the brain

January 12, 2024 by

The brain produces more of the pleasure-inducing hormone dopamine when we're longing for or hanging out with our partner, new research suggests. But when we break up, their unique 'chemical imprint' fades away. The study centers around prairie voles, which have the distinction of being among the 3 percent to 5 percent of mammals that form monogamous pair bonds.

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