Also, studies have suggested that administration of nicotine in addition to reducing sperm number, motility, and survival can damage the cell membrane and sperm DNA and increase sperm production with abnormal morphology and finally induce apoptosis in testicular cells [39,40,41]
In any case, our position is that it is a less harmful alternative than tobacco, not that it is healthier
These factors may include population density, urbanization intensity, tourism activity, smoking prevalence, public attitudes toward littering, availability of disposal infrastructure, enforcement of anti-littering regulations, and waste management capacity [57, 69, 101]
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