Studies have found that men who smoke will increase the risks of their children getting asthma - eventhough they have long ceased form smoking before their partners are pregnant.
A study that was carried out in the Bergen University, Norway has found out that the earlier a man smoked, the higher the risk of his child getting asthma not allergy.
According to Cecilie Svanes, who headed the research on smoking habit which was carried out on 13,000 men and women, men who started smoking befiore the age of 15 will increase the risk of their children getting asthma by as much as times.
The research discovered that sperm was easier affected with hazardous substances in ats early stages of develoment.
But men who started smoking at an older age also have the potential to endanger the children that will be born, especially if they smoke for a long period.
Study has found that if a man has smoked for more than 10 years before his partner is pregnant, the risk of their child getting asthma increases by 50%.
"Based on this survey results, we think that exposure to any air pollution at the workplace and exposure to chemical substances may also have the effect, " said Svanes.
The study has not found any relationship between a mother who smokes before pregnancy with the child's asthmatic disease.
However, smoking during pregnancy will have an effect on the baby that is being contained.
This study has been presented in the Europe Respiratory International Union Congress held in Munich, Germany recently.
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