According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
Babies cry but they don't produce tears until one to three months after birth.
238
You will experience the billionth second of your life when you are 31 years old.
21
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
One in 500 humans has one blue eye and one brown eye.
145
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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