Aging is a complex and multifaceted process that refers to the gradual biological decrease in physical and mental capacity, alongside a growing risk of disease and, ultimately, death. It’s a lifelong process that begins at conception and ends with death. The changes associated with aging are not linear or consistent and only loosely correspond to a person’s chronological age.

Longevity may refer to especially long-lived members of a population, whereas life expectancy is defined statistically as the average number of years remaining at a given age. For example, a population’s life expectancy at birth is the same as the average age at death for all people born in the same year (in the case of cohorts).

• In the ‘About’ section of this post is an overview of the issues or challenges, potential solutions, and web links. Other sections have information on relevant legislation, committees, agencies, programs in addition to information on the judiciary, nonpartisan & partisan organizations, and a wikipedia entry.
• To participate in ongoing forums, ask the post’s curators questions, and make suggestions, scroll to the ‘Discuss’ section at the bottom of each post or select the “comment” icon.

The Longevity  category has related posts on government agencies and departments and  committees and their Chairs.