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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.
People about to have surgery must tell their health care providers about all supplements they take.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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