It all sounds worrying. But a dose of scepticism is helpful too. One alarming study in August said that e-cigarette users are more likely to have been diagnosed with cardiovascular disease. However, many vapers have smoked in the past, or still do. The paper could have been picking up old harms from smoking, as opposed to new ones from vaping. Many believe that the toxic nature of vapor cigs might have been exaggerated by unrealistic laboratory conditions. Heating up the fluid creates an upsetting taste that users actively avoid. Lab tests may heat the fluid more intensely than real vapers do, for example.
The very last piece of the puzzle is definitely the nicotine. Besides being addictive, it may come with an adverse affect all over the body. But the current supply of concern is its effects on children. For instance, operate in animals implies that being exposed to nicotine may be bad for adolescent brains, making users more vunerable to other addictive substances later in life. This could be one good reason why human smokers who start young have higher rates of addiction as adults. It might also mean that children who vape risk a lifelong addiction to nicotine, and may even start smoking. But, says Dr West, these concerns have not yet been borne out by epidemiological studies.
Smoking during adolescence has been connected with lasting cognitive and behavioural impairments, including on working memory and attention. Animal tests claim that contact with nicotine specifically could explain xjelej least some of that effect. This forms the scientific backdrop to the FDA’s worries concerning the effects of vaping amongst the young.
Getting definitive answers is going to take time. Epidemiology is actually a tricky business. All kinds of confounding factors and overlooked connections can skew conclusions. Smoking stands out in health background as a pastime which can be so unambiguously unhealthy for you that this signal cuts through just about any level of noise. The reality regarding e-cigarettes is going to take longer to tease out.
Which could sound frustratingly vague. However it points to one or more clear conclusion-whether it is harmless or only moderately unhealthy for you, vaping is almost certainly safer than smoking. That is a message which needs spreading. In Great Britan about a third of smokers say they have not tried vaping as they are concerned about its safety and addictiveness. This attachment to a known evil is self-defeating. At least for the time being, the electronic cigarette seems like a helpful innovation in public places health.