Featured series 
Tag: allergies and allergens
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Nation & World
Antacid medication in pregnancy may increase childhood asthma
Children of mothers who took acid-suppressive drugs during pregnancy had a 1.5 times higher incidence of asthma when compared with children who were not exposed to the drugs in utero,…
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Nation & World
Pollen production — and allergies — may rise significantly over next 50 years
Ragweed, which flourishes along roadsides and in disturbed habitats throughout North America, produces one of the most common allergens. A study by Harvard researchers found that ragweed grown in an…
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Nation & World
Workers in buildings with less fresh air more likely to call in sick
Donald Milton, associate professor in the Department of Environmental Health at the Harvard School of Public Health, hypothesized that the nature of the air that employees breathe affects how often…