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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.