Theories of aging
Cellular senescence is the phenomenon where cells lose the ability to divide. In response to DNA damage (including shortened telomeres) cells either senesce or self-destruct (apoptosis) if the damage cannot
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The process of aging
Aubrey de Grey, a leading researcher in the field of aging, defines aging as follows: “a collection of cumulative changes to the molecular and cellular structure of an adult organism,
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Synonyms of death
Killing, homicide, manslaughter, murder, assassination, trucidation; effusion of blood; blood, blood shed; gore, slaughter, carnage, butchery; battue, massacre; fusillade, noyade; thuggery, thuggism, deathblow, finishing stroke, coup de grace, quietus; execution;
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Thanatology
Thanatology is the science that study death. It investigates the circumstances surrounding death, the grief experienced by the deceased’s loved ones, and larger social attitudes towards death. It is primarily
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Biological death
Physical death is the cessation of normal body functions, the irreversible loss of both components of consciousness, arousal and awareness . In legal terms defined as “brain death”, i.e., loss
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Spiritual death
A classical point of departure in defining death, seems to be life itself. Death is perceived either as a cessation of life – or as a passage on the way
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