As more states legalize marijuana, there's growing interest in a cannabis extract — cannabidiol, also known as CBD.

It's marketed as a compound that can help relieve anxiety — and, perhaps, help ease aches and pains, too.

Part of the appeal, at least for people who don't want to get high, is that CBD doesn't have the same mind-altering effects as marijuana, since it does not contain THC, the psychoactive component of the plant.

"My customers are buying CBD [for] stress relief," says Richard Ferry, the retail manager of Home Grown Apothecary in Portland, Ore., where recreational marijuana use is legal under state law, with some restrictions.

Click here to read the complete article

Allison Aubrey ~ NPR.org ~