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Author Question: Dr. Newman spent three years in Botswana, participating in the daily life of a community there. She ... (Read 3492 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.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
The average adult has about 21 square feet of skin.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.