Bananas are a rich source of carbohydrates, mainly starch in unripe bananas and sugars in ripe bananas. The carbohydrate composition of bananas changes drastically during ripening. The main component of unripe bananas is starch. Green bananas contain up to 70-80% starch, on a dry weight basis.
Chlorine Levels May Pose Risks to Swimmers, People With Asthma. From the WebMD Archives. June 11, 2004 -- Chlorine levels commonly found in homes and public pools may lead to breathing problems in swimmers, regardless of their history of such problems, researchers say.
Asthma affects the body by limiting the flow of air into the lungs. When certain substances trigger an asthma attack, cholinergic receptors in the airways respond by tightening the muscles.This process is called bronchoconstriction.It triggers a sequence of reactions in the body, which contributes to increased inflammation and mucus secretions.An asthma attack -- or an asthma exacerbation -- can be very frightening. You may cough, have difficulty breathing, or feel a shortness of breath.his process is called bronchoconstriction. It triggers a sequence of reactions in the body, which contributes to increased inflammation and mucus secretions. An asthma attack -- or an asthma exacerbation -- can be very frightening. You may cough, have difficulty breathing, or feel a shortness of breath.