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Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th
The amyloid-β peptide, which plays a major role in Alzheimer’s disease The amyloid-β peptide, which plays a major role in Alzheimer’s disease
Children with disabilities used to be sent to special schools. In a process called mainstreaming or ... Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...
Treatment of Gastroesophageal Reflux Disease (GERD) Treatment of Gastroesophageal Reflux Disease (GERD)
Peptic ulcer disease (PUD). Peptic ulcer disease (PUD).
Example of a genetic pedigree of the autosomal recessive disease cystic fibrosis Example of a genetic pedigree of the autosomal recessive disease cystic fibrosis
Video: Double Stranded DNA Molecule Animation

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