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Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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Excessive alcohol use costs the country approximately $235 billion every year.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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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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If you could remove all of your skin, it would weigh up to 5 pounds.

Amino acid chart Amino acid chart
Growth Chart for American Girls From Birth Through Age 3 Growth slows from infancy to toddlerhood b Growth Chart for American Girls From Birth Through Age 3 Growth slows from infancy to toddlerhood b
An example of a corrected chart notation. An example of a corrected chart notation.
Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ... Nomogram chart. This example shows a line drawn from a child’s height of 100 cm to his weight, 35 ...
A typical two-line cleaning machine hookup, showing an extension hose that can be used to squirt a ... A typical two-line cleaning machine hookup, showing an extension hose that can be used to squirt a ...
Correlation Coefficient, r (Chart) Correlation Coefficient, r (Chart)
Video: A Human Karyotype Preparation Animation

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