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Chronic obstructive pulmonary disease (COPD) causes substantial morbidity and mortality and may be unrecognized in its early stages. Chronic lower respiratory disease (CLRD), which includes both COPD and asthma, was the third leading cause of death in the United States in 2008. COPD includes chronic bronchitis and emphysema, which both make emptying air(More)
Allergic conditions are among the most common medical conditions affecting children in the United States (1-5). An allergic condition is a hypersensitivity disorder in which the immune system reacts to substances in the environment that are normally considered harmless (6,7). Food or digestive allergies, skin allergies (such as eczema), and respiratory(More)
Attention deficit hyperactivity disorder (ADHD) is one of the most common mental health disorders of childhood. The symptoms of ADHD (inattention, impulsive behavior, and hyperactivity) begin in childhood and often persist into adulthood. These symptoms frequently lead to functional impairment in academic, family, and social settings. The causes and risk(More)
BACKGROUND Childhood respiratory allergies, which contribute to missed school days and other activity limitations, have increased in recent years, possibly due to environmental factors. OBJECTIVE In this study we examined whether air pollutants are associated with childhood respiratory allergies in the United States. METHODS For the approximately 70,000(More)
• The percentage of children ever diagnosed with attention deficit hyperactivity disorder (ADHD) increased from 7% to 9% from 1998–2000 through 2007–2009. • ADHD prevalence trends varied by race and ethnicity. Differences between groups narrowed from 1998 through 2009; however, Mexican children had consistently lower ADHD prevalence than other racial or(More)
Illnesses. This report marks the progress we have made as a nation to reduce environmental risks faced by children. The report contains good news for children including the continued decline in the number of children with elevated blood levels, a reduction in children's exposure to secondhand smoke, and decreases in exposures to air pollution and(More)
KEY FINDINGS Data from the National Health and Nutrition Examination Survey, 1999-2010. From 1999 to 2010, the percentage of children without asthma exposed to environmental tobacco smoke (ETS) decreased from 57.3% to 44.2%, while children with asthma showed no change, with 57.9% exposed to ETS in 1999-2002 and 54.0% exposed in 2007-2010. In 2007-2010, a(More)
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