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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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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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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Photograph of a brain specimen with a large malignant tumor. Photograph of a brain specimen with a large malignant tumor.
Nervous system. Nervous system.
Role of the Brain Stem in Hunger Role of the Brain Stem in Hunger
Shapes of cells found in the brain. Shapes of cells found in the brain.
A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ... A typical port fuel-injection system squirts fuel into the low pressure (vacuum) of the intake ...
Immune-to-brain signaling occurs in response to infection, injury, and inflammation that occur in pe Immune-to-brain signaling occurs in response to infection, injury, and inflammation that occur in pe
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

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