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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Everyone has one nostril that is larger than the other.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.