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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.