Before revision: The hand of an older adult Biogerontology is the sub-field of gerontology concerned with the biological aging process, its evolutionary origins, and potential means to intervene in the process.
After revision: Life expectancy in various countries of the world in 2019The hand of an older adult Biogerontology is the sub-field of gerontology concerned with the biological aging process, its evolutionary origins, and potential means to intervene in the process.