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 Cannabis information THCa Vape Pens: Benefits, Risks, and Safer Use Guidelines Cannabis THC vapes a 'threat to younger generation' in Bradford BBC News Maine issues recall for cannabis vapes due to unsafe pesticide levels Best Disposable THC Vapes in Michigan Dunegrass