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.
Vitamin C. In people with asthma, constriction of the airways causes wheezing and difficulty breathing. Wheezing and coughing are often prominent symptoms. A January 2000 article from the Thorax journal reported an association between vitamin C and asthma attacks. This study found that people with asthma who had a low intake of vitamin C-rich fruits like oranges also had higher risks of wheezing.