In relatively prosperous cultures such as the united states, 70 is the new 60.
Although the definition of "old" is arbitrary, a recent study appearing in the journal PLOS ONE claims that a new measure of ageing makes 70 the new 60. The study argues that ageing should take into account average lifespans rather than chronological age.
Although life expectancies have grown, which indicates that people are healthier and more active than in the past, traditional wisdom holds that old age begins at the age of 65. Numerous studies released by the International Institute for Applied Systems Analysis, a research centre that focuses on developments in the twenty-first century, suggest that old age should adapt as a population's characteristics change.
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