Sons of fathers who smoke have 51% lower sperm count. Research has discovered that, independently of nicotine exposure from the mother, men whose fathers smoked at the time of pregnancy had half as many sperm as those with non-smoking fathers

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Sons of fathers who smoke have 51% lower sperm count. Research has discovered that, independently of nicotine exposure from the mother, men whose fathers smoked at the time of pregnancy had half as many sperm as those with non-smoking fathers