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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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People about to have surgery must tell their health care providers about all supplements they take.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.