Introduction to Aging Flashcards
what is aging
the lifelong process of growing older at a cellular, organ, or whole-body level throughout the lifespan
what is chronological age
the number of years since birth
what is physiological age
based on your risk factor for chronic disease and your functional status
what is physiological age also know as
functional age
what is biological age
how ‘old’ your cells, tissues, and organs are
what is subjective age
how old you feel
what measures can be used to estimate physiological age
heart rate, muscle mass, bone density, and LDL/HDL
what is senescence
aging in the post-reproductive years
what is lifespan
the duration of life of an individual
what is life expectancy
the average amount of time of life remaining for a population and based on age-specific death rates
what is health-adjusted life expectancy OR healthspan
the number of years your are expected to live in good functional health
what is longevity
the long duration of life
what are centenarians
people who are 100+
what is population aging
the increasing median age in a population
what is the reason for increased life expectancy
decreased infant mortality, safe drinking water, and vaccines
