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Author Question: A string of twelve holiday lamps is designed to be connected in series to a 120-V source. If one of ... (Read 4610 times) |
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.