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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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There are approximately 3 million unintended pregnancies in the United States each year.