A new study has found that the risk of celiac disease may be determined by one’s birth date and region. Celiac disease is a condition characterized by hypersensitivity to gluten, meaning, the affected individuals cannot digest it. Gluten intolerance is manifested through gastrointestinal symptoms such as abdominal pain, bloating, and diarrhea.
The study looked at nearly two million children born in Sweden, of which nearly 6,600 were diagnosed with celiac disease before age 15.
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The researchers found that children born in the spring (March-May), summer (June-August), and fall (September-November) were 10 percent more likely to be diagnosed with celiac disease, compared to children born in the winter months. Furthermore, birth region was also found to affect the risk of celiac disease. For example, children born in the southern regions of Sweden with more intense sunlight and temperatures in the summer were more likely to be diagnosed with celiac disease, compared to children born in the north.
Children diagnosed before the age of two were more likely to have been born in the spring, while those diagnosed at an older age were more likely to be born in the summer or fall.
The researchers wrote, “One hypothesis for increased (celiac disease) risk and spring/summer birth is that those infants are more likely to be weaned and introduced to gluten during autumn/winter, a time characterized by exposure to seasonal viral infections.”
The researchers are unsure why birth time and location may affect celiac risk, but they speculate that viral infections and vitamin D levels may play a role. Further research is required to explore their theories.
Also, read Bel Marra Health’s article: Celiac disease related gluten intolerance linked to gut bacteria.
Sources:
http://adc.bmj.com/content/early/2016/07/14/archdischild-2015-310122.abstract
Emily Lunardo studied medical sociology at York University with a strong focus on the social determinants of health and mental illness. She is a registered Zumba instructor, as well as a Canfit Pro trainer, who teaches fitness classes on a weekly basis. Emily practices healthy habits in her own life as well as helps others with their own personal health goals. Emily joined Bel Marra Health as a health writer in 2013.
