North America

Many of the nations of North America cooperate together on a shared telephone system known as the North American Numbering Plan (NANP) which is an integrated telephone numbering plan of 24 countries and territories: the United States and its territories, Canada, Bermuda, and 16 Caribbean nations. (source: Wikipedia)

Hyperhidrosis affects approximately 3% of the population. The nature of those patients presenting for treatment has not been well studied, however. A total of 508 patient records (266 patients from Canada; 242 from the United States) were reviewed; 62.8% of those patients were female. The most common presentation was axillary hyperhidrosis in 73.0% of patients. Most of the patients were moderately to severely affected by their hyperhidrosis, with Hyperhidrosis Disease Severity Scale scores of 3 or 4. There were trends found of facial and scalp hyperhidrosis affecting more men than women and being triggered by food much more frequently than in other sites of hyperhidrosis. (source: Dermatologic Surgery)


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