Study Says Geographic Factors can Cause Allergies, Asthma

by Sheela Philomena on  February 4, 2013 at 10:55 AM Research News
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People living in locations close to the equator are at an increased risk of developing allergy and asthma, finds study published in Annals of Allergy, Asthma & Immunology.
 Study Says Geographic Factors can Cause Allergies, Asthma
Study Says Geographic Factors can Cause Allergies, Asthma

"UV-B rays exposure is higher for people living in areas closer to the equator," said Vicka Oktaria, MPH, lead study author. "This increase in UV-B may be linked to vitamin D, which is thought to modify the immune system. These modifications can lead to an elevated risk of developing allergy and asthma."

Previous studies have shown that latitude can reflect a variation in airborne allergens due to climate, housing and social and cultural differences. This study is one of the first using the individuals latitude location and UV-B exposure to examine the association with allergy and asthma.

"Allergies and asthma are serious diseases that can be life-threatening if not diagnosed and treated properly," said allergist Richard Weber, MD, ACAAI president. "Both conditions can be more than bothersome for people, no matter their geographic location, and can last year-round."

Board-certified allergists are the best-trained health professionals to perform testing and treat both asthma and allergic diseases effectively. According to ACAAI, many people that have an allergy also experience asthma symptoms. In fact, an estimated 75 to 85 percent of asthmatics have an allergy.

Source: Eurekalert

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