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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

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Everyone has one nostril that is larger than the other.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

A missense mutation that causes red blood cells to sickle in sickle-cell anemia. A missense mutation that causes red blood cells to sickle in sickle-cell anemia.
Sperm penetrating egg cell Sperm penetrating egg cell
cell cell
Structure of an animal cell Structure of an animal cell
Reed-Sternberg cells: Bilobed nucleus coupled with the prominent nucleoli gives this cell the ... Reed-Sternberg cells: Bilobed nucleus coupled with the prominent nucleoli gives this cell the ...
cell biology cell biology
Video: Generalized life cycles for plants and animals Animation

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