Washington: Living in locations closest to the equator can put people at increased risk of developing allergy and asthma due to higher UV-B rays exposure, according to a new study."UV-B rays exposure is higher for people living in areas closer to the equator. 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," said Vicka Oktaria, MPH, lead study author.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.
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