The Gerontology Center

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  • Alzheimer's Disease: View streaming video of the HBO program on Alzheimer's disease
  • Social Security: Read a Summary of the Social Security and Medicare Trustees Annual Report

Gerontology Glossary

Many terms used in the study of aging are unfamiliar. In order to understand the internet sites and studies these terms are defined for you.


The study of aging and special problems of the aged.


The study within the field of medicine that deals with the study of disease, debilities, and care of aging persons


Individuals who experience the same event at the same time, quite often born in the same year

Primary Aging

Normal disease free development through adulthood

Secondary Aging

Changes in adulthood that are related to disease, lifestyle and other environmentally induced changes not considered inevitable.


An untrue assumption that chronological age s the main determinant of human characteristics and that one age is better than another.

For additional Psychological terms that apply in Gerontology and Geriatric terms see All Psych Online