US CDC Narrows Vape Warning to Focus on Illicit THC Products
The US Centers for Disease Control and Prevention (CDC) has formally narrowed its public health guidance on vaping, retreating from an earlier recommendation that consumers avoid all e-cigarettes. The revised advisory now focuses specifically on products containing tetrahydrocannabinol (THC), the psychoactive compound in cannabis.
According to updated guidance released alongside the Food and Drug Administration (FDA), federal health officials stated:
“CDC and FDA recommend that people not use THC-containing e-cigarette, or vaping, products, particularly from informal sources like friends, family, or in-person or online sellers.”
Health investigators determined that illicit supply chains drove the outbreak of severe lung illnesses, which caused 57 deaths across 27 US states. Unlike commercial nicotine products sold in regulated vape shops, contaminated THC cartridges were largely obtained through informal, peer-to-peer networks.
The CDC also warned against using vape liquids containing vitamin E acetate, a cutting agent identified in biological samples from most injured patients. For adult smokers currently using commercial nicotine vapes to quit smoking, the agency advised against returning to combustible cigarettes, recommending FDA-authorized cessation therapies instead.
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