With these groundbreaking findings, we should see a change in the way we assess a child's risk of disease, asking girls for the allergy history of their mother and boys for that of their father.
This work also opens up novel areas for further research in the genetics of allergy as to why this sex dependent effect occurs and, if we can find the reason, we can try to find a way of preventing sex-specific disease.
More top news
Parents of a brain-damaged boy have lost a a appeal after a High Court judge allowed doctors to stop providing life-support treatment.
A new report into grooming gangs who preyed on hundreds of young women and girls found perpetrators were consistently left unpunished.
The actor shared a video on Twitter in which he said he has undergone surgery for prostate cancer and "it all seemed to go pretty well".