CBD products are everywhere. But do they work?

Experts say cannabidiol products are likely a good choice for some conditions, but evidence is lacking for others.

By now, you've probably run into a product containing cannabidiol, also known as CBD. It's in everything from drinks and pet products to lotions and chewable gummies. Even major drugstore chains have announced they will start carrying CBD products in certain states.

But many people still don't really know what CBD is. Is it marijuana? Is it legal? Does it actually work? Is it safe?

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