After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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There are more sensory neurons in the tongue than in any other part of the body.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
The greatest bone mass is found around age 30 for both men and women, with the later decline being f
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Selected Narrow Sense Heritability (h2) Values for Animals and Plants