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Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

The patient and his family meet with the nurse to discuss progress on the patient care plan. The patient and his family meet with the nurse to discuss progress on the patient care plan.
A complete cranium of Australopithecus afarensis from Hadar, Ethiopia. A complete cranium of Australopithecus afarensis from Hadar, Ethiopia.
If a fire were to occur, follow the evacuation plan. If a fire were to occur, follow the evacuation plan.
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
Acoelomate body plan of a flatworm Acoelomate body plan of a flatworm
Body plan of an aquatic snail and micrograph of a radula. Body plan of an aquatic snail and micrograph of a radula.
Video: Acid-base imbalances - metabolic acidosis and alkalosis

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