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Facts on aging and health


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Aging as a socio-economic challenge, increasing importance of the term Aging Population.

Published in: Health & Medicine
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Facts on aging and health

  1. 1. Facts on aging and health Adopted from World Health Organization
  2. 2. People worldwide live longer Between 2015 and 2050, the proportion of the world's population over 60 years will nearly double from 12% to 22% By 2020, the number of people aged 60 years and older will outnumber children younger than 5 years
  3. 3. Population aging Social-economic challange The peace of population aging is much faster then before It took France almost 150 years to adopt to a change from 10% to 20% in the proportion of the population that was older then 60 years. China needs 20 years to make the same adaptation
  4. 4. All countries face major challenges to ensure that their health and social systems are ready to make the most of this demographic shift There are many opportunities for older people but under one conditions: HEALTH FACTOR
  5. 5. STOP STOP STOP STOP STOP STOP STOP STOP Aging is the result of the decrease in the number and/or function of cells Every time cells replicate, telomeres shorten until they reach a point where the cells can no longer divide properly Cells with such short telomeres usually become senescent or enter apoptosis, and eventually die Aging on biological level Accumulation of a wide variety of molecular and cellular damage over time
  6. 6. Telomeres Telomeres are the protective caps at the end of chromosomes which play significant role in the aging process Critically short telomeres contribute to the onset of chronic and age-related diseases including heart disease, Type 2 Diabetes, some cancers, among other pathologies. They carry genetic information and maintain the integrity of DNA during cellular replication Thus, telomere length serves as the biomarker of the cell replicative capacity, which defines the biological age of the individual
  7. 7. Common health conditions associated with aging Diabetes (especially Type 2) AtherosclerosisDepression Hearing loss Central Nervous System Diseases Osteoarthritis Certain CancersChronic obstructive pulmonary disease
  8. 8. There is a lot of diversity in older age in terms of physical and mental capacities Lifestyle choices make huge impact on how we age Some 80 year-olds have physical and mental capacities similar to many 20 year-olds. Other people experience significant declines in physical and mental capacities at much younger ages Genetics Environmental factors Short telomeres are a contributing factor of virtually all age-related diseases Genetics play a partial role in determining telomere length but environmental factors, including individuals' lifestyle choices, play an even larger role
  9. 9. References: Fact Sheets-Ageing and Health WTO, September 2015