Hemorrhoids are swollen veins around the anus. They're caused by too much pressure on the anus, like from straining to poop, chronic constipation ordiarrhea, sitting on the toilet for long periods, and a low-fiber diet. Aging and pregnancy can weaken tissues, leading to hemorrhoids. Frequentl...
Hemorrhoids.These are probably the most common cause of visible blood in the lower digestive tract, especially blood that appears bright red. Hemorrhoids are enlarged veins in the anal area that can rupture and produce blood, which can show up in the toilet or on toilet paper. Learn about the...