Secondhand exposure to e-cigarette vapor is said to be less toxic than secondhand exposure to cigarette smoke. But based on the experience with cigarettes, similar adverse health effects including COPD, heart disease, and cancer can be expected. There is limited evidence to date of the long-term effects of vaping, because we know the lung effects of vaping will take decades to develop. However, that doesn’t mean there aren’t risks involved, even if the vape liquid is nicotine-free. Vaping might appear to be a less risky choice for people who are trying to quit smoking. The long-term effects of smoking cigarettes are well-documented, and include an increased risk of stroke, heart disease, and lung cancer.Īccording to the CDC, cigarette smoking causes nearly 1 out of every 5 deaths in the United States. Is there a difference between vaping and smoking cigarettes? The full magnitude of effects of toxic e-cigarette ingredients may not be known for another 3 decades. This is why it took as long as it did for the negative health effects of cigarettes to be widely recognized. The same 2018 report from the NAP found that there’s some evidence that e-cigarette exposure has adverse effects on the respiratory system, but that additional studies are required to understand the extent to which vaping contributes to respiratory diseases.įinally, lung health effects are not expected to be seen for 20 to 30 years. However, this study had a small sample size, which means the results may not apply to everyone. The researchers concluded that vaping both with and without nicotine disrupts normal lung function in otherwise healthy people. However, these results aren’t necessarily generalizable to vaping in real life.Ī 2018 study assessed the lung function of 10 people who had never smoked cigarettes immediately after vaping fluids either with or without nicotine. The researchers reported a number of adverse effects on both types of cells, including toxicity, oxidation, and inflammation. In particular, a 2015 study examined the effects of flavored e-juices on both human lung cells and lung cells in mice. Some studies suggest that vaping may have negative effects on the lungs, but more research is needed. However, the researchers concluded that, overall, vaping is thought to be less harmful to the heart than smoking cigarettes. The authors of 2018 study used data from a different national health survey to come to a similar conclusion: Daily vaping is associated with an increased risk of heart attack, even when other lifestyle factors are taken into consideration.įinally, a 2017 review of the cardiovascular effects of vaping indicates that e-cigarettes may pose certain risks to the heart and circulatory system, notably for people who already have some form of heart disease. However, they did find that people who smoked both conventional cigarettes and e-cigarettes were more likely to have heart disease.Īnother 2019 study based on the same nationwide survey found that e-cigarette use was associated with an increased risk of a stroke, heart attack, angina, and heart disease. Both could affect heart health over the long term.Ī 2019 study assessed data from a nationwide survey of nearly 450,000 participants and found no significant association between e-cigarette use and heart disease. The authors also described moderate evidence suggesting that taking a puff from an e-cigarette increases blood pressure. When inhaled, these aerosols most likely affect the heart and circulatory system.Ī 2018 report from the National Academies Press (NAP) found significant evidence that taking a puff from a nicotine e-cigarette triggers an increase in heart rate. The authors of a 2019 review point out that e-liquid aerosols contain particulates, oxidizing agents, aldehydes, and nicotine. Preliminary research suggests vaping poses risks to heart health.
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