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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
The calcaneus spur found on the male's hind limb is used to deliver venom.
(A) Bronchopneumonia with localized pattern. (B) Lobar pneumonia with a diffuse pattern within the l
Young children typically are boundlessly curious about the world around them.
This unit is applying smoke to the fuel tank through an adapter and the leak was easily found to be ...
Ribonucleotides containing unusual nitrogenous bases are found in transfer RNA