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Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.