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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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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Excessive alcohol use costs the country approximately $235 billion every year.

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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.

Hormonal control of insect development. Hormonal control of insect development.
The sites of early embryonic development in mammals. The sites of early embryonic development in mammals.
Age-related changes in crystallized and fluid tasks. Performance on tests of fluid abilities peaked ... Age-related changes in crystallized and fluid tasks. Performance on tests of fluid abilities peaked ...
(a) A turbidometry detector measures laser light directly across from the light source. The sample, ... (a) A turbidometry detector measures laser light directly across from the light source. The sample, ...
Results Seen in Mono-Diff Tests Results Seen in Mono-Diff Tests
Stages of Oocyte Development Stages of Oocyte Development
Video: Simple Diffusion - gases and nonpolar compounds transport

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