Low folate levels may boost allergy, asthma risk

May 11, 2009 Researchers from the Johns Hopkins Children's Center examined the blood folate levels of more than 8,000 people with and without asthma and allergies. They found that those with the lowest folate levels were 31 percent more likely to have allergies and 40 percent more likely to experience wheezing than people with the highest levels.

The study appears in the latest online issue of the Journal of Allergy and Clinical Immunology.

Doctors warn that it is too soon to recommend that people take folic acid supplements to reduce their risk for allergy and asthma or to treat symptoms.

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