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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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There are more bacteria in your mouth than there are people in the world.

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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

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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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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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