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Because there are many cancer-causing agents in e-cigarette vapor that are still being studied, we can expect this list to grow. According to the CDC, cigarette smoking causes nearly 1 out of every five deaths in the United States. The 2018 NAP report found substantial evidence that vaping causes cell dysfunction, oxidative stress, and damage to DNA. We also need restrictions on flavours that target young people, stricter age verification for all vape sales and regulations that cover not just the nicotine content but also the ingredients and packaging of nicotine-free vapes. This could be because of the specific mix of ingredients different brands put in the vape liquid.
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In addition, a case-control study found substantially altered respiratory proteomic profiles among e-cig users, indicative of impending airway obstruction (44). Nevertheless, the clinical importance of these early changes is not clear. Also unclear is whether increased airway resistance induced by e-cig exposures will worsen over time and eventually contribute to decreased lung function. Not only active users but also bystanders may be exposed to e-cig aerosols.
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E-cigs generate fewer carcinogenic and toxic compounds than do t-cigs, but they still produce substantial amounts of PG, VG, and nicotine, as well as some toxic compounds such as aldehydes and heavy metals. Current health effect studies in humans focus on the acute effects and early biomarkers. These studies have suggested potential respiratory and cardiovascular effects from e-cig aerosols. However, results from these studies are inconsistent, leading to a call for large-cohort and long-term exposure studies that examine the linkage between e-cigs and clinical end points.
Supplementary Data
Vape stores even tout their product as being “safe”, or at the very least, safer than smoking cigarettes. Young people who vape nicotine are more likely to start smoking cigarettes in the future. According to the 2018 NAP report, secondhand vapor contains nicotine, particulate matter, and volatile organic compounds (VOCs) at concentrations that are above recommended levels. Finally, lung health effects are not expected to be seen for 20 to 30 years.
Health officials concerns
Instead of lighting a rolled-up cigarette to smoke, the user will turn on their e-cigarette to heat the liquid in the cartridge that produces a vapor rather than smoke. Vaping might appear to be a less harmful choice for people trying to quit smoking. However, that doesn’t mean there aren’t risks involved, even if the vape liquid is nicotine-free.
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While vapes containing nicotine still release nicotine, it is at a far lower level than a typical cigarette (and some vapes have no nicotine). The study, which analyzed hundreds of homes and factored in a variety of variables, concluded that contrary to popular opinion, vaping indoors does not cause any pollution or affect indoor air quality. However, e-cigarettes are not safe for anyone else who does not currently use tobacco products. It’s nearly impossible to walk down the street and not see someone vaping. And even though their packaging—and even aroma—may seem harmless, they disguise a very real and significant health risk to those who choose to vape and those around them.
We observed associations of secondhand exposure to e-cigarettes in the home with bronchitic symptoms and shortness of breath, after accounting for coexposures to other tobacco and cannabis products. The study satisfies several criteria of causation, including prospective assessment of the temporal relationship, relatively strong associations and biological plausibility. If causal, reduction of secondhand e-cigarette exposure in the home would reduce the burden of respiratory symptoms and would provide a compelling rationale for regulation of e-cigarette use in public places. The evidence in the literature confirms that e-cigs degrade indoor air quality and that bystanders are at risk of secondhand exposure. Indoor particle concentrations attributed to e-cigs are similar to those attributed to t-cigs. Although studies of secondhand e-cig aerosols are limited, their chemical composition profiles are similar to those of mainstream e-cig aerosols but have much lower concentrations.
With over 7,000 flavours on the market such as fruit, candy floss, mint and chocolate, vapes are designed to be appealing to young people. A 2023 US study found teens are especially drawn to the more fruity flavours. Vaping is now more common than cigarette smoking among young people, according to a new report coordinated by the University of Glasgow and commissioned by the World Health Organization. One group of individuals that Dr. Nakhleh is particularly concerned about is teenagers.
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A potential explanation for the observed association between secondhand nicotine vape exposure and respiratory symptoms is selection bias due to the lost to follow-up of 481 participants following high-school graduation (at wave 2). However, those who remained in the study at wave 2 and those who were lost to follow-up had similar secondhand nicotine vape exposure and respiratory symptoms (online supplemental table S1). There were some modest differences in sociodemographic characteristics between those retained and those lost to follow-up, but all analyses were adjusted for those factors. Furthermore, secondhand nicotine vape exposure effect estimates in analyses restricted to participants not lost to follow-up at wave-2 (table 3, model 2) were similar to the estimates in the entire population (table 2).
Nicotine can affect concentration, learning, memory and brain development, according to information and data from a new report from the surgeon general. Also, nicotine use in young adults can still lead to other illicit substance use. Many teens are taking vaping a step further, adding cannabis, CBD oils and other dangerous additives. Studies have shown that it may be harder to quit a nicotine addiction than a heroin addiction.
A 2016 report indicated that many vape fluids contain flavoring agents at concentrations that may pose risks to users. The Centers for Disease Control and Prevention (CDC) report that vaping nicotine can permanently affect brain development in people under the age of 25. Some of these cellular changes have been linked to the development of cancer over the long term, though there’s currently no evidence to suggest that vaping causes cancer.
The only exceptions are PG and VG, which are major components of e-liquid but are not used in t-cigs. Concentrations of trace metals in mainstream aerosols are similar in e-cigs and t-cigs. However, chromium, a carcinogenic and respiratory toxicant, is at higher concentrations in e-cigs, suggesting potential risks from chromium-coated wire in heating coils (141).
Whitman notes that the seller usually isn’t required to disclose vaping activity. If you’ve vaped in your soon-to-be listed home, don’t ignore its after-effects. Make the needed preparations to ensure a faster sale at a preferred price. “I was somewhat surprised that only 34.5 percent of respondents were not sure of how regular e-cigarette use inside a home would affect their perception of a home’s value. I almost expected that answer to make up a majority of our responses,” says Geilman. Whether you’re eager to sell or buy a home, it’s important to know that vaping inside that home can lower its value.
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