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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
There are more sensory neurons in the tongue than in any other part of the body.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.





