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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Blood is approximately twice as thick as water because of the cells and other components found in it.