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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

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There are more sensory neurons in the tongue than in any other part of the body.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

A maneless male lion, who also has little body hair - from Tsavo East National Park, Kenya A maneless male lion, who also has little body hair - from Tsavo East National Park, Kenya
Ivory trade in East Africa during the 1880s and 1890s Ivory trade in East Africa during the 1880s and 1890s
Cheirurus sp., middle Ordovician age, Volkhov River, Russia Cheirurus sp., middle Ordovician age, Volkhov River, Russia
The ossicles of the middle ear along with the oval window and tympanic membrane. The ossicles of the middle ear along with the oval window and tympanic membrane.
Structures of the external ear, middle ear, and inner ear Structures of the external ear, middle ear, and inner ear
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Video: Photosynthesis and Van Helmont Experiment

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