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.
How It Works. Theophylline is a methylxanthine. Sustained-release methylxanthine medicines are used to control inflammation in the airways in the lungs (bronchial tubes). Short-acting methylxanthine medicines are used to control narrowing of the bronchial tubes. This may reduce asthma symptoms. The least amount of medicine that controls the asthma symptoms is used. 2  The amount of medicine and number of medicines are increased in steps. 3  So if asthma is not controlled at a low dose of one controller medicine, the dose may be increased. 4  Or another medicine may be added.