MyHemorrhoids.org
Hemorrhoids or piles that lie directly above the anal sphincter become swollen and or inflamed. These veins
and arteries normally contract and expand naturally, helping maintain the regulation of the
body. Blood vessels may be stretched beyond their capacity, disabling their ability to
contract causing a hemorrhoid flare up. More than three-quarters of people in the U S have
hemorrhoids at some time in their lives. The peak age is between 45 to 65 years.
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