Many people are also willing to get involved in community and activist organizations to promote their well-being. The heart is forgetful and cannot recall yesterday. The general understanding is that those who lived into their 40's were treated with respect and awe.In contrast, perceptions of old age by writers 80 years old ("old age in the real meaning of the term O Sovereign my Lord! In contrast, those who were frail were seen as a burden and ignored or in extreme cases killed.The AARP allows couples in which one spouse has reached the age of 50 to join, regardless of the age of the other spouse.The distinguishing characteristics of old age are both physical and mental.Old people often have limited regenerative abilities and are more susceptible to disease, syndromes, and sickness than younger adults.The organic process of ageing is called senescence, Definitions of old age include official definitions, sub-group definitions, and four dimensions as follows. At what age old age begins cannot be universally defined because it differs according to the context.The age which qualifies for senior citizen status varies widely.In governmental contexts, it is usually associated with an age at which pensions or medical benefits for the elderly become available.
One study distinguishes the young old (60 to 69), the middle old (70 to 79), and the very old (80 ).Old age comprises "the later part of life; the period of life after youth and middle age . Most developed-world countries have accepted the chronological age of 65 years as a definition of 'elderly' or older person.The United Nations has agreed that 60 years may be usually denoted as old age and this is the first attempt at an international definition of old age.Although he was skeptical of the gods, Aristotle concurred in the dislike of old people.In his Ethics, he wrote that "old people are miserly; they do not acknowledge disinterested friendship; only seeking for what can satisfy their selfish needs." For Thomas More, on the island of Utopia, when people are so old as to have "out-lived themselves" and are terminally ill, in pain, and a burden to everyone, the priests exhort them about choosing to die.
Gerontologists have recognized the very different conditions that people experience as they grow older within the years defined as old age.