Dank Vapes, TKO and Other THC Vaping Brands Are Linked to Illnesses, C.D.C. Says The New York Times How Long Does THC Stay in Your System? Weed, Dabs, Vapes & Edibles Guide 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 Beyond Bans: How Cannabis Policy Reform Can Reduce Vaping Related Illnesses Health Affairs