a nosebleed, also known as epistaxis, happens when one of the many small blood vessels in your nose ruptures, according to the mayo clinic . this can be caused, for example, when something like a fingernail accidentally scratches your nasal tissue while you’re blowing your nose.
a paper in the journal of otolaryngology, head and neck surgery reports that nosebleeds are an “exceedingly common” problem in hospitals in north america. in fact, they account for about one in 200 er visits in the united states. estimates suggest 60 per cent of people have experienced at least one nosebleed during their life, and only six per cent seek medical treatment. the national center for biotechnology information reports that only 10 per cent of nosebleeds are severe enough to warrant medical intervention.
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