New Information on the Link Between Asthma and Diabetes

    Friday, 28 July 2017 07:30  Blog

Doctors and scientists have long suspected a connection between asthma and diabetes, as it has appeared that people with one of these conditions tend to be at higher risk for the other. What researchers have not been clear on is the strength of the relationship and whether asthma makes it more likely to develop diabetes or vice versa.

Scientists at the National Institute for Health and Welfare in Finland have now helped to clarify the relationship between type-1 diabetes and asthma. Rather than a simple link where the presence of one condition increases the likelihood of the other, the link between diabetes and asthma is apparently more complicated. Whereas having asthma increased the risk for type-1 diabetes by about 41% in the subjects studied, having type-1 diabetes actually decreased the risk of developing asthma. The magnitude of the reduced risk for asthma was about 18%.

The researchers investigated health records from 171,138 children who were born between 1981 and 2008. From this sample, which represented 10% of the Finnish population born in that time frame, the researchers identified 80,871 children who were diagnosed with asthma and 8,939 with type-1diabetes by the age of 16. Both conditions were present in 602 of these children.

The purchase of insulin and anti-asthmatic drugs helped researchers determine children’s diagnoses. To perform their analysis, the researchers divided children into groups based on their birth years and looked at 4 age groups: 0-3, 4-7 8-11, and 12-16. The relationships between diabetes and asthma were revealed in all age groups.

While the study provided novel insights into the link between diabetes and asthma, it also contained some limitations. For one, not all the diagnoses were confirmed. Second, there was limited information on any other conditions that the patients may have had. Similarly, the researchers did not have information on when the patients developed their conditions.

The lead author of the study, Dr. Johanna Metsala, recently presented these findings at the European Academy of Allergy and Clinical Immunology Congress. The discussion at the meeting provided more insights into how scientists can further clarify the link between diabetes and asthma in the future. Researchers are particularly interested in determining whether food allergies may also be linked to diabetes.

 

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