Foods Rich In Flavonoids Effective In Prevention Of Cough

A new study shows a diet high in fiber from fruit and soy foods may reduce the incidence of chronic respiratory symptoms -- especially cough with phlegm. Researchers studied more than 570 patients who experienced cough with phlegm and more than 44,000 patients without the respiratory problem. Participants were given a food frequency questionnaire to determine if certain foods were associated with a reduced risk of respiratory symptoms. Results show fruits, such as apples and grapes, and other ...