There are more bacteria in your mouth than there are people in the world.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Thyroid conditions may make getting pregnant impossible.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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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.
In the summer of 1793, a yellow fever epidemic struck Philadelphia, killing nearly 4,000. Tens of th
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
Example of Reconciling a Bank Statement
Geographies of Language
First-order sensory neuron with free nerve endings