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Did you know?

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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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

An example of a homeostatically controlled variable: blood levels of glucose in a human. An example of a homeostatically controlled variable: blood levels of glucose in a human.
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Good body mechanics when facing the table directly. A. Head and back in alignment. B. Legs and feet ... Good body mechanics when facing the table directly. A. Head and back in alignment. B. Legs and feet ...
Apply knee to chest stretch for posterior hip and leg muscles. Facing the table directly, place one ... Apply knee to chest stretch for posterior hip and leg muscles. Facing the table directly, place one ...
Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila
Variable expression of yellow phenotype in mice caused by diet-related epigenetic changes in the gen Variable expression of yellow phenotype in mice caused by diet-related epigenetic changes in the gen
Video: Type of Transport - Active and Passive Processes

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