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Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.