Everyone has one nostril that is larger than the other.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Positive Babinski’s sign.
First-degree burn.
Measurement and Evaluation in Physical Education and Exercise Science
The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual