Just read a study about some flavours containing diacetyl. Does this mean vaping is not safe? Should I be concerned?
http:// news. harvard. edu/gazette/story/2015/12/chemical-flavorings-found-in-e-cigarettes-linked-to-lung-disease/
Chemical flavorings found in e-cigarettes linked to lung disease
http:// news. harvard. edu/gazette/story/2015/12/chemical-flavorings-found-in-e-cigarettes-linked-to-lung-disease/
Chemical flavorings found in e-cigarettes linked to lung disease
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