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Il rischio di sovrappeso e di malattie metaboliche è molto più elevato nei figli di padri obesi. Il problema è legato ad un'anomalia nello sperma paterno. Lo rileva uno studio dell'Università di Adelaide, in Australia.
Secondo i ricercatori, il tipo di dieta incide sulla composizione molecolare del liquido seminale. In quello dei genitori obesi, alcuni mutamenti possono determinare la possibilità di malattie metaboliche destinate a manifestarsi nella prole.
Fra gli uomini, la pinguedine in età riproduttiva è quasi triplicata negli ultimi 30 anni nei paesi avanzati.
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