Breast-feeding high beats cocaine (BioMedNet)

Cocaine is far less effective at activating reward pathways in the brains of lactating rat mothers than contact with their pups, according to a new brain imaging study.

母乳を飲むほうじゃなくて与えるほう。授乳中のラットの脳でfMRI、活性があったのは腹側被蓋、側坐核前頭前皮質のもろドーパミン神経系の部位。論文が出たら読んでみたい。