The products also damage the lining to blood vessels, making them stiffer and less elastic, say researchers at the Arctic University of Norway. E-cigarettes also damage the lungs, and pregnant women who vape could be damaging the growing fetus.
Around a quarter of all teenagers are using e-cigarettes—although this varies from country to country—and they aren't being told about the harm they can be doing to their health, and especially to their heart and arteries.
Teenagers who vape are also twice as likely to take up real cigarettes, the researchers say.
The researchers are calling for controls on e-cigarette advertising and public health campaigns that highlight the dangers of vaping.
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