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Postponement of senescence and morbidity: a review of theory and research

Författare

  • F Stepukonis
  • Torbjörn Svensson

Summary, in English

The theoretical background and research evidence supporting two alternative scenarios – worsening health and improving health at increasing life expectancy is analyzed. It is shown that the prevailing “longer life – worse health” theory is based on the logic that due to the reduced birth-rate and increased proportion of older citizens the process of population aging is taking place, leading to an increased rate in old-age related chronic diseases and disability prevalence and, consequently, to a worse health of the whole population. In addition, the trend towards a worse health stimulates improvements in medical technologies, giving the possibility to postpone the death of old-aged diseased / disabled individuals with a very poor health. The opposite “longer life – better health” theory is based on the assumption that due to approaching the genetically programmed upper limit for life expectancy, the further increase in life expectancy will decelerate, causing deceleration of population aging. Besides, postponement of aging and compression of morbidity to the end of individual’s lives can be expected due to the growing welfare, health prevention, improved nutrition, reduced health risk factors and spread of healthy lifestyle. These factors will have a bigger effect on the prolongation of survival compared with the effect from survival prolongation of people with very poor health. In papers a review of an intermediate between the two theories, the “dynamical equilibrium” scenario is presented. In Discussion an analysis of strengths and weaknesses for both scenarios, as well as of the intermediate scenario is presented. It is argued that the “longer life – better health” scenario is more plausible as it is supported not only by theoretical assumptions, but also by growing research evidence. The social economic consequences are discussed in case this optimistic scenario towards successful aging would be verified as the general.

Publiceringsår

2006

Språk

Engelska

Sidor

43-56

Publikation/Tidskrift/Serie

Gerontologija

Volym

VII

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Gerontološko društvo Srbije

Ämne

  • Occupational Therapy

Nyckelord

  • successful aging
  • life expectancy
  • postponement aging
  • dynamical equilibrium
  • health
  • compression of morbidity

Status

Published

Forskningsgrupp

  • Sustainable occupations and health in a life course perspective

ISBN/ISSN/Övrigt

  • ISSN: 0354-415X