There are approximately 3 million unintended pregnancies in the United States each year.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
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