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There are 20 feet of blood vessels in each square inch of human skin.
The human body produces and destroys 15 million blood cells every second.
All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.