The longest a person has survived after a heart transplant is 24 years.
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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The human body produces and destroys 15 million blood cells every second.
The b sheet, another common secondary structure in proteins
Molecular structure of phaeomelanin (A) and eumelanin (B)
The effect of a few days of early monocular deprivation on the structure of axons projecting from ...