Thyroid conditions may make getting pregnant impossible.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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The average office desk has 400 times more bacteria on it than a toilet.
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There are more bacteria in your mouth than there are people in the world.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Using outgroups to infer the ancestral state
An activation barrier, representing the transition state
Federal vs state law
National Guardsmen firing into a crowd of antiwar protesters at Kent State University killed four ...
Gestalt Principle: Closure
Physics - Density, Pressure, and Pascal's Principle