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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?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.