12 May 2015
A new study has linked a father's age when their child is born to the risk of that child later developing blood cancer. This relationship was particularly strong in fathers who only had one child.
In contrast, the research, published in the American Journal of Epidemiology, found no connection between a mother's age and risk of blood or immune system cancers.
The number of people choosing to wait until later life to have children is growing, but the long-term health consequences of this are still being identified. Studies suggest that they could be at a higher risk of several conditions including several cancers.
A previous study looked at more than 100,000 adult women in the California Teacher's Study and found an association between paternal age at birth and the risk of blood cancer.
To further investigate this link, researchers from the American Cancer Society analysed men and women taking part in the society's Cancer Prevention Study-II Nutrition Cohort.
Led by Dr Lauren Teras, the team found a strong, positive association with paternal age in only children, with them being at a 63 per cent higher risk of blood cancer if their dad was older than 35.
Posted by Phillip Briggs
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