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[11] Diacetyl is now found to be added to several e-liquids to enhance sweet flavors

This is the crucial question

However, it can take decades of follow-up and complex study designs for such increased risk to show up in the data

While they advise against it for young people or non-smokers, they do recommend it as a quitting tool for smokers for the health benefits of switching

Flavoring Chemicals Chemicals used to create flavorings may create buttery or creamy tastes, but they can be extremely hazardous

Individuals who only use vapes may be at less risk than cigarette smokers but may still be exposed to harmful effects