Munich (dpa/NAN) – A recent research by
the University of Bergen in Norway has found that men who smoke increase
the risk of their children been asthmatic even if they give up long
before conception.
The study found that the earlier a man
takes up smoking, the higher the risk that his offspring would suffer
from non-allergic asthma.
Cecilie Svanes, Leader
of the study group, said during the presentation of the research at the
European Respiratory Society (ERS) International Congress in Munich,
that the smoking habits of more than 13,000 men and women were examined
during the study.
She suggested that sperm are particularly susceptible to the influence of harmful substances in a certain stage of development.
Svanes said even at that, those who
start smoking later could be causing harm to their future children,
especially if they smoke over a long period.
“If a man smokes for more than 10 years
before conception, the risk of his children having asthma increases by
50 per cent,’’ she said.
“Given these results, we can presume
that exposure to any type of air pollution, from occupational exposures
to chemical exposures, could also have an effect,” she added.
Svanes said the study found no link between the mothers’ smoking prior to conception and a child’s asthma.
She said the findings however indicated that only tobacco consumption during pregnancy could affect the unborn child.
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