Do you know what's in a vape? E Cig Liquid Nicotine Poisoning Blamed for Child's Death AboutLawsuits.com THC vapes: A hidden danger in addiction treatment" American Addiction Centers posted on the topic LinkedIn No Smoke Coming Out My Vape How to Quit Vaping, According to Experts Vaping Fresh Do you know what's in your THC vape? THC vapes are increasingly being shown by testing to contain synthetic substances with increased risk including unexpected effects due to differences in strength.