EVALI, and motivations for use, including the information provided from this report, can
further inform prevention and education efforts and guide future outbreak response efforts.
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
dealers. Because Vitamin E acetate is strongly linked to EVALI, it should not be added
to any e-cigarette, or vaping, products. Additionally, people should not add any other
substances not intended by the manufacturer to products, including products purchased
through retail establishments. Evidence is not sufficient to rule out the contribution of other
chemicals in either THC or non-THC products, in some of the reported EVALI patients.
E-cigarette, or vaping, products (nicotine- or THC-containing) should never be used by
youths, young adults, or women who are pregnant. THC use has been associated with a
wide range of health effects, particularly with prolonged frequent use. The best way to avoid
potentially harmful effects is to avoid the use of THC-containing e-cigarette, or vaping,
products.
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