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

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures. The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures.
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Video: Plant Defense Mechanisms from Pathogens

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