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Aging
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--subdivision Age factors under individual diseases and types of diseases, e.g. Cancer--Age factors; and subdivision Toxicology--Age factors under individual chemicals and groups of chemicals, e.g. Copper--Toxicology--Age factors
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Process by which cells irreversibly stop dividing and enter a state of permanent growth arrest without undergoing CELL DEATH. Senescence can be induced by DNA DAMAGE or other cellular stresses, such as OXIDATIVE STRESS
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-- See Also the narrower term Immortalism Here are entered works on the concept of living indefinitely in the flesh. For works on the concept of the survival of the soul after death see Immortality
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-- See Also the narrower term Plants Aging
--subdivision Aging under individual plants and groups of plants, e.g. Corn--Aging
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The process of aging due to changes in the structure and elasticity of the skin over time. It may be a part of physiological aging or it may be due to the effects of ultraviolet radiation, usually through exposure to sunlight
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