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Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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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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Asthma cases in Americans are about 75% higher today than they were in 1980.

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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.

Using adaptive equipment: (A) male putting on shoe; (B) female eating one handed. Using adaptive equipment: (A) male putting on shoe; (B) female eating one handed.
Antibody techniques. (b) An ELISA to test for the presence of herpes simplex virus (HSV Antibody techniques. (b) An ELISA to test for the presence of herpes simplex virus (HSV
The primary and secondary adaptive responses. The primary and secondary adaptive responses.
Two developmental paths for stimulated B lymphocytes Two developmental paths for stimulated B lymphocytes
The immune response results from activation of the humoral and cell-mediated immune systems The immune response results from activation of the humoral and cell-mediated immune systems
What is Immunity? What is Immunity?
Video: Inflammation Animation

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