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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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Thyroid conditions may make getting pregnant impossible.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C
petri dish
Good computer skills are now required to be a successful member of an office staff.
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
An incubator for office use.
Cuban Steak Dish