Can e-cigarettes protect cardiovascular health? The latest research from many universities in the United States has given a positive answer. They found that after old smokers switch to e-cigarettes, they can not only reduce their dependence on cigarettes, but also reduce the risk of cardiovascular diseases such as high blood pressure and cholesterol.
These studies were published in the world’s largest clinical medical journals BMJ Open and Nicotine and Tobacco Research respectively. Among them, the University of Michigan, Georgetown University, and Columbia University jointly conducted a prospective longitudinal study, followed 17,539 American smokers over the age of 18, and constructed a variable of tobacco exposure over time. The results showed that smokers were associated with an increased risk of self-reported hypertension compared with non-users of any nicotine products, but those who used e-cigarettes were not.
Another experiment, involving Penn State University, assessed dependence on cigarettes, e-cigarettes, and total nicotine in smokers who switched to e-cigarettes. The experiment divided 520 participants into four groups. The first three groups were given e-cigarette products with different nicotine concentrations, and the fourth group used nicotine replacement therapy (NRT), and instructed them to reduce their smoking by 75% within 1 month. , and then follow-up examinations were performed at 1, 3, and 6 months, respectively. The research team found that compared with the NRT group, all three groups that used e-cigarettes reported lower cigarette dependence at all follow-up visits than the median number of participants’ usual smoking. There was also no significant increase in total nicotine exposure compared to baseline.
These results indicate that e-cigarettes are an effective alternative to other nicotine products in terms of smoking cessation and harm reduction, which can safely and quickly reduce smokers’ dependence on cigarettes and minimize the risk of human health effects.
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