The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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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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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Cooked tarantula spiders are considered a delicacy in Cambodia.
Pneumothorax. Figure illustrates how puncture of thoracic wall and tearing of pleural membrane allow
Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge
Nursing Student life
National Results of the Scholastic Assessment Test (SAT)
Cytological proof from Zea mays that recombination results from crossing over