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The original was posted on /r/science by /u/mvea on 2024-11-18 00:42:55+00:00.

Original Title: Exposure to marijuana in the womb may increase risk of addiction to opioids later in life, study finds. Male rats exposed to THC in the womb experience a greater surge in the “reward-seeking” brain chemical dopamine when exposed to opioid drugs as adolescents.