- 1,456 patients were recruited from birth 23 years ago.
- Research found that the risk of asthma in boys was only increased if their fathers suffered from the condition.
- However, if mothers had asthma, it doubled the risk in their daughters but not sons.
- Research also showed maternal eczema led to a 50% increased risk of eczema in girls, while paternal eczema did the same for boys.
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