Over the past few years, signs proclaiming "We have CBD!" and "CBD sold here!" have appeared in the windows of coffee shops, cafes, convenience stores and smoke shops.
CBD is sold in smoothies and brownies, coffee and cookies — even as a standalone tincture, oil or balm you can add to anything you like — with the promise that it will calm anxiety, help you sleep and ease your aches and pains.
But what is it?
The first thing to understand about CBD is not what it is, but what it isn't: marijuana.