Definition: A condition of precocious aging with onset at birth or early childhood; characterized by growth retardation, a senile appearance with dry wrinkled skin, total alopecia, and birdlike facies; early occurrence of atherosclerosis in blood vessels and premature death due to coronary artery disease; genetics unclear.
[pro- + G. geras, old age]
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Examples: glitazone, GI cocktail, etc.