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.
Researchers at the National Institute of Environmental Health Sciences report that exposure to a chemical found in mothballs, air fresheners, and toilet deodorizers can cause lung damage and possibly even lung cancer, heart disease, and stroke. The chemical in question is called 1,4-dichlorobenzene or 1,4-DCB.