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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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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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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

The human oxygen-hemoglobin dissociation curve. The human oxygen-hemoglobin dissociation curve.
The Head Start program was designed to increase the school readiness of low-income children. The Head Start program was designed to increase the school readiness of low-income children.
Horizontal, frontal (coronal), and sagittal planes in the human brain and a cross section of the ... Horizontal, frontal (coronal), and sagittal planes in the human brain and a cross section of the ...
The visual areas of the human cerebral cortex. The visual areas of the human cerebral cortex.
Internal rotation of the shoulders Internal rotation of the shoulders
Human Geography: Places and Regions in Global Context Human Geography: Places and Regions in Global Context
Video: Mechanisms for chromosome movement Animation

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