HHC vs THC: What's the Difference? What Are Some Common Risks for Vaping? You might have heard of HHC (hexahydrocannabinol) showing up in vapes, gummies, and herbal mixes. It can feel a bit like cannabis, but because it's unregulated the strength and risks Preliminary pharmacokinetic and psychophysical investigations after controlled oral and inhalative consumption of hexahydrocannabinol (HHC) Scientific Reports Warning a child could die due to illegal drugs in vapes Health Effects of Vaping Smoking and Tobacco Use CDC