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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han In one-male group species, extra males typically reside in all-male “bachelor” groups. These are Han
Asomatognosia typically involves damage to the right parietal lobe. Asomatognosia typically involves damage to the right parietal lobe.
A participant in a sleep experiment. A participant in a sleep experiment.
Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ... Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ...
Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ... Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ...
Video: Bone Healing Animation

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