Cannabis Vape Cartridges: Are They Safe? East of Eden Tests on black market marijuana vape pens reveal contaminants, including pesticides Terpenes in marijuana vaping products may produce toxic chemicals UPI.com Concern is growing about synthetic cannabinoids found in THC vapes stronger, riskier, and unpredictable. These substances sometimes called fake weed have been linked to seizures, paranoia and even What are THC carts? A clear guide to vape cartridges in the UK CB1 Medical