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"The biggest danger of this particular product is that it will appeal to children and youth, and it will entice them to try tobacco in a different form," Rose said

Mark was a chiropractor

Briefly, the possible mechanisms which might be involved with the effect of cigarette smoking on semen parameters are: toxic contents found in cigarette smoking might have harmful effects on male germ cells and their developmental processes [33]

One speculative, possible explanation would be that the detrimental effects of maternal smoking on congenital anomalies mainly originate from an earlier period in pregnancy: morphogenesis is influenced mainly during the first days of embryogenesis, whereas later days of pregnancy involve mostly about growth of the embryo