Swollen blood vessels in or around the anus that can be painful or itchy; also called 'piles'.
From Greek 'haimorroissa' meaning 'flowing with blood,' combining 'haima' (blood) and 'rhoia' (flowing). The medical term was borrowed directly into English in the Middle Ages.
This condition is so common that about 50% of adults will experience it by age 50, yet we rarely talk about it due to embarrassment—it's one of medicine's most prevalent silence-kept secrets.
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