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Early teenage male smokers risk passing on damaged genes to future children

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Added by MiAmigo
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#smoking #geneticdisease #Smokingkills

Early teenage male smokers risk passing on harmful epigenetic traits to future children. A new study suggests boys who smoke in their early teens risk damaging the genes of their future children, increasing their chances of developing asthma, obesity and low lung function. Researchers from the University of Southampton and the University of Bergen in Norway investigated the epigenetic profiles of 875 people, aged 7 to 50, and the smoking behaviours of their fathers. They found epigenetic changes at 19 sites mapped to 14 genes in the children of fathers who smoked before the age of 15. These changes in the way DNA is packaged in cells (methylation) regulate gene expression (switching them on and off) and are associated with asthma, obesity and wheezing


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