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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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There are 60,000 miles of blood vessels in every adult human.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Major types of microbial cell aggregations found in phylum Cyanobacteria. Major types of microbial cell aggregations found in phylum Cyanobacteria.
Miocene apes were found throughout Europe, continental Asia, and Africa. Miocene apes were found throughout Europe, continental Asia, and Africa.
With the research technique called brainbow, each neuron is labeled with a different color, ... With the research technique called brainbow, each neuron is labeled with a different color, ...
Compression using reinforced palm. The heel of the top hand is placed to avoid putting pressure on ... Compression using reinforced palm. The heel of the top hand is placed to avoid putting pressure on ...
Hold hand around thumb and little finger and apply broadening strokes across the metacarpals. Press ... Hold hand around thumb and little finger and apply broadening strokes across the metacarpals. Press ...
Apply long effleurage stroke to entire arm, from hand to shoulder. Brush off from shoulder to hand. ... Apply long effleurage stroke to entire arm, from hand to shoulder. Brush off from shoulder to hand. ...
Video: Monohybrid crosses

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