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The average adult has about 21 square feet of skin.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
There are approximately 3 million unintended pregnancies in the United States each year.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
There are more bacteria in your mouth than there are people in the world.
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