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Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.