Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.
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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.