THC

Cannabis might reduce pain but not by a lot, and not by much more than a placebo.

Growers are cultivating strains that cause psychosis and memory loss.

Since Colorado first legalized recreational marijuana in 2012, the demand for novelty, even gourmet, products containing THC has soared

When will we see daily guidelines for marijuana use like those for alcohol?

A substance with many names—K2, spice, synthetic marijuana—ropes in users by comparing itself to cannabis, but it's infinitely more unsafe.

Significant obstacles discourage pharma companies from devoting the power needed to develop a patentable drug to take the plant's place.

Pot legalization is opening the door for a foodie culture and cannabis collision.

Researchers argue that marijuana should be subject to the same FDA approval process as any other drug.

Mostly, that we were right about weed back in 1993—it's not great for you.