Vaping appears to decrease blood flow to the heart even worse than smoking traditional cigarettes, a new study finds.
E-cigarettes have been marketed as “safer” than traditional cigarettes in the past, as well as a means to quit smoking. But a growing body of research suggests that vaping isn’t only as dangerous as smoking regular cigarettes — it may be even worse.
One analyzed almost 500 healthy adults ages 21 to 45 who had no existing cardiovascular disease. Of this group, 94 people were nonsmokers; 45 were e-cig smokers; 52 were both e-cig and traditional cigarette smokers; and 285 were t-cig smokers. The results: Healthy HDL cholesterol was lower in dual smokers who used both types of products. And unhealthy LDL cholesterol was higher in the sole e-cig users.
“We were surprised by our observation of the heart’s blood flow being reduced at rest, even in the absence of stress, following inhalation from the e-cigarette,” wrote study co-author Dr. Susan Cheng, AHA director of Public Health Research. “Providers counseling patients on the use of nicotine products will want to consider the possibility that e-cigs may confer as much and potentially even more harm to users and especially patients at risk for vascular disease.
The FDA has accused popular e-cig maker Juul Labs of illegally marketing its products with misleading claims that they were safer than cigarettes, even as a Pittsburgh study flagged how Juul users used addiction-related terms in their tweets, such as complaining about withdrawal symptoms. In fact, a 2018 Stanford study reported that Juul products delivered more nicotine than competing brands of e-cigs, and produced a “throat hit” that was more comparable to conventional cigarettes.
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