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Author Question: Thank-you notes should be sent: A) At least once a day to a coworker B) To someone who gives ... (Read 11 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.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The human body produces and destroys 15 million blood cells every second.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.