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Did you know?
Your heart beats over 36 million times a year.
Did you know?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.