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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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Medication errors are more common among seriously ill patients than with those with minor conditions.

Cooked tarantula spiders are considered a delicacy in Cambodia. Cooked tarantula spiders are considered a delicacy in Cambodia.
Aggregated red-cell clusters have a streamlined shape, leading to further viscos Aggregated red-cell clusters have a streamlined shape, leading to further viscos
René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ... René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ...
Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ... Immanuel Kant (1724–1804). German philosopher considered by many to be the greatest thinker of the ...
Many seniors pursue new careers, education, and hobbies well beyond what used to be considered ... Many seniors pursue new careers, education, and hobbies well beyond what used to be considered ...
Ten Leading Causes of Death in Low-Income Countries, 2008 Ten Leading Causes of Death in Low-Income Countries, 2008
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

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