THC exposure during adolescence does not modify nicotine reinforcing effects and relapse in adult male mice.

 This study investigated the effects of adolescent exposure to the main psychoactive component of cannabis, ∆9-tetrahydrocannabinol (THC), in the reinforcing properties of nicotine in adult male mice. Possible alterations in relapse to nicotine-seeking behaviour in adult animals due to THC adolescent exposure were also evaluated.

RESULTS:

Adolescent THC treatment did not modify acquisition and extinction of nicotine self-administration in adulthood. Moreover, THC exposure did not alter relapse to nicotine seeking induced by stress or nicotine-associated cues.

CONCLUSIONS:

These results suggest that a history of exposure to THC during adolescence under these particular conditions does not modify the reinforcing effects and seeking behaviour of nicotine in the adult period.”

https://www.ncbi.nlm.nih.gov/pubmed/31858159

https://link.springer.com/article/10.1007%2Fs00213-019-05416-8

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