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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The horizontal fraction bar was introduced by the Arabs.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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.
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.