Cannabis strain names can get a bit … quirky (Lamb’s Bread, anyone?). But without them, patients that rely on marijuana to treat ailments like pain would be lost. If you want to treat seizures, you might want ACDC—a strain that expresses almost zero THC and very high CBD, a non-psychoactive cannabinoid—and stay away from the potentially panic-inducing Ghost OG, which verges on 25 percent THC.

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