Diet's role in respiratory risks.Diet's role in respiratory risks People with asthma or chronic bronchitis may glean new dietary strategies for moderating their periodic respiratory distress based on the results of a study involving 9,074 adults aged 30 and older. As part of the Second National Health and Nutrition Examination Survey (NHANES NHANES National Health and Nutrition Examination Survey (US CDC) II), conducted between 1976 and 1980, researchers asked volunteers to recall what they had eaten the day before. Scott T. Weiss at the Harvard Medical School Harvard Medical School (HMS) is one of the graduate schools of Harvard University. It is a prestigious American medical school located in the Longwood Medical Area of the Mission Hill neighborhood of Boston, Massachusetts. in Boston and Joel Schwartz of the Environmental Protection Agency Environmental Protection Agency (EPA), independent agency of the U.S. government, with headquarters in Washington, D.C. It was established in 1970 to reduce and control air and water pollution, noise pollution, and radiation and to ensure the safe handling and in Washington, D.C., have now analyzed the recalled food choices in light of the respondents' respiratory histories, as determined during NHANES II through medical exams and personal interviews. In the July AMERICAN JOURNAL OF EPIDEMIOLOGY, Schwartz and Weiss report that diets low in vitamin C, fish or their zinc-to-copper ratio, as well as diets with a high sodium-to-potassium ratio, increased the risk of bronchitis and wheezing Wheezing Definition Wheezing is a high-pitched whistling sound associated with labored breathing. Description Wheezing occurs when a child or adult tries to breathe deeply through air passages that are narrowed or filled with mucus as a , regardless of a person's age, gender, smoking history or area of residence. Low niacin niacin: see coenzyme; vitamin. niacin or nicotinic acid or vitamin B3 Water-soluble vitamin of the vitamin B complex, essential to growth and health in animals, including humans. levels also correlated with a risk of wheezing. The new findings even suggest that "diet may play a role in the susceptibility of certain smokers to the development of [chronic bronchitis and emphysema]," they say. |
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