Cannabidiol, or CBD, seems to be everywhere these days. You can buy it in pill form, or in lotions or oils, gummy candies or chocolate. It's one of the components of cannabis, or marijuana, but not the part that makes a person feel "high." Why are so many people trying CBD? Upstate assistant professor of pediatrics Caitlin Sgarlat Deluca, DO, who specializes in rheumatology and integrative medicine, explains what CBD does and doesn't do. Are CBD products safe?