Intriguingly, the so-called cannabinoid system, which mediates the effects of marijuana in the brain, reduces addictive behavior in aging mice that have been genetically altered to crave alcohol.

• 奇怪的是，大麻素系统（传导大麻对脑部效应的神经系统）却会降低遗传改造酗酒小鼠的酒瘾。