CBD and THC Vapes vs Tinctures: Which One Is Best for Me? AOC Young Adults Mix Cannabis with Nicotine, Tobacco RT Some vapes claiming to be cannabis contain 'synthetic cannabinoid' study UK news The Guardian 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 Do Weed Vape Pens Smell Like Weed? Essential Facts Spiritleaf Ancaster Cannabis Dispensary Toxic metal particles can be present in cannabis vapes even before the first use American Chemical Society