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Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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Thyroid conditions may make getting pregnant impossible.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t
Palpating lymph nodes: Cervical Palpating lymph nodes: Cervical
The Lymphatic System The Lymphatic System
Blood Flow Through Capillaries Blood Flow Through Capillaries
Lymphatic Capillaries Lymphatic Capillaries
Video: Sperm Formation

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