“Let’s all take a puff,” said Equinox yoga instructor Derek Beres to the students at the beginning of class. In unison, they inhaled from vape pens by Bloom Farms, a San Francisco–based medical marijuana company that also sells pre-rolled joints, and settled into mountain pose....

  Beauty obsessives, your skincare is about to get blazed. Well, not quite. But you’ll soon be adding a new host of products that include CBD (cannabidiol, a natural component of cannabis) to your bathroom shelf. We’re all familiar with the pain-relieving properties of the......