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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.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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There are more bacteria in your mouth than there are people in the world.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

A study by Seehausen and van Alphen involving the effects of male coloration on female choice in Afr A study by Seehausen and van Alphen involving the effects of male coloration on female choice in Afr
Flipper tags have been extensively used in the study of penguin population dynamics. Flipper tags have been extensively used in the study of penguin population dynamics.
Aerial photo showing the placement of 24 study plots, each 50 m by 50 m, in the Chihuahuan Desert ne Aerial photo showing the placement of 24 study plots, each 50 m by 50 m, in the Chihuahuan Desert ne
Human physiology Human physiology
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19 Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Traits Selected for Study by Mendel Traits Selected for Study by Mendel
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

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