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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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The average office desk has 400 times more bacteria on it than a toilet.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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