The Centers for Disease Control and Prevention confirmed that the additive vitamin E acetate is the likely cause of the nation’s rash of lung injuries caused by vaping.

Vitamin E acetate is a synthetic form of the nutrient that is commonly used in nutritional supplements, foods, and personal care products. When taken orally or applied topically, it is generally considered safe. When inhaled, however, vitamin E acetate can coat the lungs, causing difficulty breathing and other serious health effects.

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