I heard voices screaming in my head. It was terrifying., Figures from the Health Research Board show that since the beginning of last year, 169 young people sought treatment for problems with Health Effects of Vaping Smoking and Tobacco Use CDC Vaping: Understanding the Risks and Impacts on Health What is HHC and How Is It Different From THC? DocMJ HHC can cause harm and is known to be addictive. For more information on the change in law and services available for anyone impacted visit gov.ie HHC What is HHC vs THC? Differences, Benefits, Side Effects