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Homes of children treated for asthma contained higher levels of fungal allergens than homes of other allergy clinic patients, a surprising finding to experts. House dust samples showed 50 percent contained fungal allergens. All homes had detectable cat allergens and 80 percent had dust mite allergens.
Shortness of breath may not be simply aging. Investigators call for interventions for elderly people with asthma aimed at identifying allergens precipitating attacks and reducing allergens in their home. High levels of house dust mites, cockroach, cat and dog were found in homes of elderly people with moderate to severe asthma.
New prevalence data indicates nonallergic rhinitis is more common than previously thought, affecting an estimated 39 million Americans. Many of them are taking medications that have not been studied for their effectiveness in the treatment of nonallergic rhinitis.
Depression and other mood disorders are found to be common in inner-city asthma patients, and are often unrecognized and untreated. Investigators also found that mood disorders are not necessarily associated with more severe asthma.
Monoclonal anti-IgE antibody, a novel therapy for asthma and other allergic diseases, has been shown to improve the quality of life for patients by reducing allergy symptoms, asthma flare ups and the need to use some medications.
Researchers at Harvard have demonstrated that ragweed pollen production is 61 percent higher in elevated CO2 environments, suggesting that the incidence of hay fever and related respiratory diseases may increase in the future due to global warming.
Nursing mothers can help prevent or delay food allergic reactions in high-risk infants through dietary modifications according to a recent report.
Investigators find a correlation between low birth weight and higher rate of asthma among African-Americans, attributing low birth weight to 30 percent of the racial difference in prevalence.
A recent study from the University of Maryland School of Medicine found that 8 percent of health care workers at the medical center who were screened were latex sensitive. That statistic is much higher than the national average -- an estimated 3 percent of the general public is allergic to latex.
Positive effects of hormones on lung function and asthma have been observed across the life span in women. Estrogen and progesterone may play a role in strengthening respiratory muscle and increasing relaxation of bronchial smooth muscle, reducing the contractile response -- and they exhibit anti-inflammatory properties.
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