Normal aging: A steady loss of organ and process function
Part of a series.
The percentage of the population that will be “elderly” is rising fairly dramatically. In 1900 only four percent of the population was over 65 and only one percent over 75. By 1950 it was eight and three percent, respectively. By 2000 it was thirteen and five percent, and now it’s about fourteen and six percent. By 2030 it will be substantially more again.
There are many …