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Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Did you know?
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).
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.