Cannabidiol and Older Adult Cannabis Users

Inclusion Criteria: * At least 60 years of age * Able to provide informed consent * Must have used a cannabis product at least once with no negative effects * Must not have been regularly using any cannabis products (\<3x/month) in the last 6 months * Female participants must be postmenopausal * Liver function tests (Alanine transaminase (ALT) and * Aspartate transaminase (AST)) must show levels no greater than 2x the upper normal limits for age * Must be currently taking medication/s for pain, sleep, and/or mood Exclusion Criteria: * Blood alcohol level \> 0 at screening (to sign consent form) * Report of other drug use (cocaine, opiates, methamphetamine) in the past 90 days or fail urine screen for any of these drugs * Past or current diagnosis, or family history of diagnosis of psychosis * Current use of anti-epileptic medications (e.g. clobazam, sodium valproate) * Current use of medications known to have major interactions with Epidiolex (buprenorphine, leflunomide, levomethadyl acetate, lomitapide, mipomersen, pexidartinib, propoxyphene, sodium oxybate, and/or teriflunomide). * Current use of antipsychotic medications * Currently undergoing chemotherapy (to prevent drug interactions)