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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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Thyroid conditions may make getting pregnant impossible.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.