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more cigarette image Smoking may spark lung-to-brain reaction tied to dementia, study finds 1977 More brown filter cigarettes
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Science 190:912914

Comparing the effect of mainstream and sidestream smoke on mouse male germ cells, Polyzos et al [33] showed that sidestream smoke reduced sperm motility, whereas mainstream smoke increased sperm DNA fragmentation
Smoking is the leading cause of chronic obstructive pulmonary disease (2023)

This is important as alcohol consumption can have very different effects on these two diseases
