CBD—it’s everywhere, but does it work?

(HealthDay)—You would have to be living in a cave to have missed the CBD craze that is sweeping across America: New products are cramming store shelves as the market explodes for what many Americans believe to be a miracle cure-all.

Everything from oils to gummies to pills, creams and ointments are now for sale at supermarkets and specialty chains. You can even get massages infused with CBD, or cosmetics laced with the drug.

All of these products contain cannabidiol but not THC, the ingredient in pot that provides a “high.” But what do scientists really know about the health benefits and risks of CBD?

Precious little, experts say, and consumers should take care that they aren’t wasting their money.

“You have a flood of CBD products that are coming from hemp that are going out onto the market, and you’ve got all sorts of claims being made about those from people are trying to sell them,” said Timothy Welty, chair of the department of clinical sciences at Drake University’s College of…