How harmful are e-cigarettes?

Recently, Jonathan Fowles, a researcher and professor of public health science and psychiatry at the Cancer Institute of Cancer at Pennsylvania State University, found that compared with traditional combustible cigarettes, it provides The nicotine content of e-cigarettes is comparable to that of traditional cigarettes. Helps reduce smoking and exposure to harmful carcinogens.

Integrated disposable e-cigarettesThis study also shows that when e-cigarettes with nicotine delivery functions similar to cigarettes are provided to smokers who are interested in reducing smoking tumors, they are more likely to significantly reduce tobacco-related toxic substances, such as Reduce the level of exhaled carbon monoxide.

This study included a randomized controlled trial involving 52 participants, who smoked more than 9 cigarettes a day, did not currently use e-cigarette products, and were interested in reducing smoking, but did not quit smoking. Participants either received e-cigarettes containing 0, 8 or 36 grams of liquid nicotine per milliliter, or received plastic tubes (shaped like cigarettes) that did not contain nicotine or aerosols, and received instructions to reduce smoking.

Detecting NNAL (4-(methylnitroso)-1-(3-pyridinyl)-1-butanol) in the urine of subjects at 0, 4, 12 and 24 weeks respectively, they found that At week 24, the carcinogen levels of participants who used e-cigarettes were significantly lower than those of participants under baseline and non-e-cigarette control conditions.