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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.