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Author Question: What might be the problem if the furnace runs, but with short cycles? A) Cracked heat exchanger ... (Read 48 times) |
In 1864, the first barbiturate (barbituric acid) was synthesized.
There are more bacteria in your mouth than there are people in the world.
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.