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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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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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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
A typical distributor-type diesel injection pump showing the pump, lines, and fuel filter.
A typical engine oil cooler. Engine coolant flows through the cooler adjuster that fits between the ...
A typical malfunction indicator lamp (MIL) often labeled “check engine.”
Schematic of a typical electronic throttle control (ETC) system. Note that terminal #5 is always ...
Typical joint.
In a typical proteomic analysis, cells are exposed to different conditions