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Author Question: A 5.00-m-long ladder, weighing 200 N, rests against a smooth vertical wall with its base on a ... (Read 134 times) |
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The human body produces and destroys 15 million blood cells every second.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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.
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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.