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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
Did you know?
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.