During a sight test, health conditions including diabetes and high blood pressure can be detected.

During a sight test, health conditions including diabetes and high blood

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Seeing is such a big part of everyday life that it requires about half

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The human eye can differentiate approximately 10 million different

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The average person blinks 12 times a minute (bet you just blinked!)

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Most of the time you only breathe through one nostril at a time, and the

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A quarter of the bones in your body are in your feet

Human Body Facts

Even if no one in the past few generations of your family had blue or