The human body produces and destroys 15 million blood cells every second.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Saturn’s Ring System
Giant Elliptical Galaxy M87
A giant dust cloud about to descend on a farm in Kansas during the 1930s