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  Pollution is a major factor that interferes with the biochemistry of our cells. This can lead to cancer. Traffic pollution has been shown to be associated with a higher incidence of breast cancer. Nitrous oxide is the determinant factor that results in the higher incidence of breast cancer. The rate of cancer doubles when you compare the highest quartile...

Asthma is found across all age groups and it often presents as a cough. Allergic rhinitis and reflux esophagitis often cause cough too. Bronchial provocation testing helps identify those people with a cough who have asthma from those with esophagitis. The prevalence of asthma is increasing and air pollution is probably part of the reason. Taking a careful history...