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Although controversial, smoking has been shown to cause not only a decrease in sperm motility, sperm concentration, and an increase in abnormal sperm morphology, but also genetic and epigenetic aberrations in spermatozoa

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Increased Lung Sensitivity Our respiratory system is a remarkable organ that has a built-in filter made of hair-like structures called cilia

Its an area in which there is insufficient evidence and that is why we want to investigate how they modify smoking, whether the e-cigarette legislation to protect consumers and rules to protect non-users such as child-proof caps, actually have an impact on a population basis. Even though Europe-wide legislation is in place, there are differences in the levels of regulation, for example on plain packaging or e-cigarette sales, between Member States, which gives the study a natural randomisation which will be useful for the researchers, he says