More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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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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The average adult has about 21 square feet of skin.
Surgical tray set up for a biopsy procedure.
Group Study
Hydrophilic Group
The ABO blood group antigens
Married or partnered couples within a visible minority mixed group