It all sounds stressing. But a dose of concern is effective too. One alarming study in August claimed that electronic cigarette users are more inclined to have been diagnosed with heart disease. But some vapers have smoked in the past, or still do. The paper may have been picking up old harms from smoking, rather than new ones from vaping. Many believe that the toxic nature of vapor cigarettes might have been exaggerated by unrealistic laboratory conditions. Overheating the fluid creates an unpleasant taste that users actively avoid. Lab tests may heat the fluid more strongly than real vapers do, for example.
The very last piece of the puzzle will be the nicotine. Besides being addictive, it has proven to have an adverse affect around the body. However the current supply of issue is its effects on children. For instance, work in animals implies that contact with nicotine may be harmful to adolescent brains, making users more susceptible to other addictive substances down the road. This could be one reasons why human smokers who start young have higher rates of addiction as adults. It might also mean that children who vape risk an ongoing addiction to nicotine, and may also start smoking. But, says Dr West, these concerns have not even 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 suggest that exposure to nicotine specifically could explain xjelej least a few of that effect. All of this forms the scientific backdrop for the FDA’s worries regarding the effects of vaping amongst the young.
Getting definitive answers will take time. Epidemiology is a tricky business. All sorts of confounding factors and overlooked connections can skew conclusions. Smoking stands apart in medical history being a pastime which is so unambiguously unhealthy for you that the signal cuts through nearly every amount of noise. The truth about e-cigarettes is going to take longer to tease out.
That could sound frustratingly vague. Nevertheless it points to at least one clear conclusion-whether it be harmless or only moderately bad for you, vaping is nearly certainly safer than smoking. Which is a message which needs spreading. In Britain about a third of smokers say they have got not tried vaping because they are worried about its safety and addictiveness. This attachment to a known evil is self-defeating. A minimum of for now, the e-cigarette appears like a good innovation in public health.