Drug use is a growing security clearance consideration, with 17 states legalizing the drug at the state leve l and the rapid growth in CBD products. It’s important to understand that because marijuana use remains illegal at the federal level, the government still considers it a no-go for clearance holders, and it creates many issues for clearance applicants. ClearanceJobs chats with Kimberly Berlin, a substance abuse counselor and owner of the Berlin Group LLC. Sean Bigley, security clearance attorney, and Lindy Kyzer, ClearanceJobs, discuss CBD and your security clearance.