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Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

The average adult has about 21 square feet of skin.

Levels of Ghrelin in Human Blood Plasma Levels of Ghrelin in Human Blood Plasma
Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ... Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ...
The human olfactory system. The human olfactory system.
Pech-Merle Cave: SPOTTED HORSES AND HUMAN HANDS Pech-Merle Cave: SPOTTED HORSES AND HUMAN HANDS
Opener A human X chromosome highlighted using fluorescence in situ hybridization Opener A human X chromosome highlighted using fluorescence in situ hybridization
Regulatory mutations of the human -globin gene Regulatory mutations of the human -globin gene
Video: Carpal Tunnel Syndrome

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