This report summarizes key findings presented in the Clearing the Smoke on Cannabis series. Topics covered in the Highlights report include: 1) regular use and mental health, 2) maternal cannabis use during pregnancy, 3) cannabis use and driving, 4) respiratory and cardiovascular effects of cannabis smoking, 5) medical use of cannabis and cannabinoids, 6) regular use and cognitive functioning, and 7) edible cannabis products, cannabis extracts, and cannabis topicals.