Cannabis vapes are now legal on PEIbut research shows unique potential harms you should know. High THC vape products can lead to over intoxication, which can cause severe anxiety, vomiting, and paranoia. (Source: Marijuana legalization can help end vaping deaths by allowing the FDA to do its job Don't Use Bootleg or Street Vaping Products, C.D.C. Warns The New York Times Is Vaping Marijuana Safer Than Smoking?