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Author Question: If someone can produce a good at a lower opportunity cost, she ________ in producing that good. (Read 64 times) |
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.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.