That the FDA is not sure whether smoking is any more hazardous than vaping does not say a lot for the agency's scientific standards.

Dr. Henningfield: "Dr. Henningfield is a Principal at, and derives most of his income from, Pinney Associates, a firm that currently provides to GSK on an exclusive basis consulting services regarding smoking-cessation products. His formal title is: Vice President, Research & Health Policy. Through his association with Pinney Associates, Dr. Henningfield advises GSK specifically on the development of nicotine-replacement therapies and treatments for tobacco dependence. Pinney Associates has received on average more than $2 million per year in revenue from pharmaceutical companies, more than half of which relates to smoking-cessation products. In addition, during the last decade, Dr. Henningfield has received grant support for research and writing from GSK on at least eight occasions. Dr. Henningfield is also a partner in a company that holds patents for a nicotine replacement-therapy product. He has estimated that, if thess patents are successfully licensed, they could be worth more than $1 million to him as a partner in that company. Thus, Dr. Henningfield has a financial interest in bringing about regulatory policies that will drive current smokers to use nicotine-replacement-therapy products."

Dr. Farsolinos’s study also measured the safety limits of the E-Juices that contained diacetyl and acetyl propionyl. Using the NIOSH (National Institute for Occupational Safety and Health) guidelines, it was found that both diacetyl and acetyl propionyl were found to have more than double times the NIOSH safety guidelines. It is worth nothing however that both diacetyl and acetyl propionyl are found in regular cigarettes. However, the levels of concentration in regular cigarettes are a 100 times more for diacetyl and ten times more for acetyl propionyl than the E-Juices that were tested. Considering obliterative bronchiolitis is not a known disease among smokers (even the heavy pack a day smokers) we can assume that even at double the NIOSH standards the levels of diacetyl and acetyl propionyl are not fatal. This is just an assumption much more research of the effects of diacetyl and acetyl propionyl are needed before making a clear judgment.

Whether e-cigarette use precedes smoking or smoking precedes e-cigarette use is a critical question, but it is one which needs to be answered through longitudinal research. We need studies that follow the trajectory of teen tobacco/e-cigarette use over time. That is the only way to determine which comes first.

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