NEW YORK (Reuters Health) - Parents looking for the culprit behind their child's allergy to house dust and cockroaches should consider their child's day care center or school as a possible source of exposure to such allergens, study findings suggest. "Our results indicate that day care centers and schools should be considered as targets for environmental interventions aimed at decreasing allergen exposure," write lead study author Dr. Vera E. V. Rullo of the Federal University of Sao Paulo in Brazil and her colleagues. Rullo and her team assessed the level of house dust mite, cockroach, cat and dog allergens in...