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Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Common skin signs. Each of the illustrations depicts a section through skin Common skin signs. Each of the illustrations depicts a section through skin
Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion; Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion;
Common skin signs are often evidence of an illness or disorder. A wheal is a localized, evanescent ... Common skin signs are often evidence of an illness or disorder. A wheal is a localized, evanescent ...
Common skin signs are often evidence of an illness or disorder. A crust is a dry, serous or ... Common skin signs are often evidence of an illness or disorder. A crust is a dry, serous or ...
Sign on methanol pump shows that methyl alcohol is a poison and can cause skin irritation and other ... Sign on methanol pump shows that methyl alcohol is a poison and can cause skin irritation and other ...
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Video: Anaphylaxis Animation

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