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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Asthma cases in Americans are about 75% higher today than they were in 1980.
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