Geriatric Medicine 老年医学总论英文班

gestage:(1)theearlystageofoldage:4559years(2)oldage:60years(3)longevity:90years(4)centenarian:100yearsOldAgeStage*WHO,thestandardofagingsociety:Peopleaged60yearshavethepercentagemorethan10%,or65yearshavethepercentagemorethan7%ofthetotalpopulation.AgingSociety*AgingSocietyPopulationagingistakingplacethroughouttheworld.*Theincreaseoflifeexpectancyhasresultedinincreasedpro-portionofindividualsreachingtheeightandninthdecadeoflife.LifeexpectancyisincreasingacrosstheglobePopulationaged80yrsorolderintheperiod1950to2050WorldPopulationAging1950–2050,UnitedNations*Similarly,thereisanunprecedentedandincreasingappearanceofcentenariansandsupercentenarians.DistributionofworldcentenariansbyDevelopmentregions(2000–2050)WorldPopulationAging1950–2050,UnitedNationsLifeexpectancyisincreasingacrosstheglobe