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Science File | IN BRIEF

Mother-Child Bonding Tied to Opiate Receptors

June 26, 2004|From Times Staff and Wire Reports

Pleasure receptors best known for helping the body respond to morphine and opium may hold the key to mother-child bonding, scientists report in this week's issue of Science.

Mice pups genetically engineered to lack mu-opioid receptors were unable to properly bond to their mothers and did not show distress when separated from them.

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