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A comment on CDC says stop vaping as mystery lung condition spreads. Parent comment

Re:CDC says stop vaping as mystery lung condition spreads by lonelappde on Monday September 09, 2019 @09:59AM (#20918200)
> nicotine-containing enzymes mostly present in the liver

Nicotine from ingested smokee/vape/tobacco, or from other natural human physiology?

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Re:CDC says stop vaping as mystery lung condition spreads by shpongled on Monday September 09, 2019 @10:09AM (#20918298)
They are probably talking about nicotinamide adenine dinucleotide (NAD+/NADH), a common cofactor used in redox reactions. While nicotinamide the word appeads similar to nicotine, they are in fact completely different chemicals... There are no "nicotine-containing enzymes" in the human body.
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