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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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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Male individuals of the banded Uromastyx, Uromastyx flavofasciata, are different colours. Most natur Male individuals of the banded Uromastyx, Uromastyx flavofasciata, are different colours. Most natur
Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ... Poverty rates have declined in the last 50 years, and the biggest decline has been for people 65 and ...
While most people resist labels of deviance, some embrace them. In what different ways do these ... While most people resist labels of deviance, some embrace them. In what different ways do these ...
Cretinism can result in a child born to a mother who was iodine deficient during early pregnancy Cretinism can result in a child born to a mother who was iodine deficient during early pregnancy
A graphical representation of correlations in IQ measurements in different sets of individuals. The A graphical representation of correlations in IQ measurements in different sets of individuals. The
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