See also:
Between Zeus and the Salmon Online version of multi-author book describing biology and demography of longevity. Book can be ordered from National Academy Press. http://www.nap.edu/books/0309057876/html/index.html
Calculation of Life Expectancy Concise explanation of the mathematics of life expectancy calculation with links to related concepts. http://mathworld.wolfram.com/LifeExpectancy.html
Healthy Life Expectancy Offers an international comparison of disability adjusted life expectancies. http://www3.who.int/whosis/hale/hale.cfm?path=whosis,hale&language=english
Innovita Research Institute Research on aging, molecular concepts of aging, cloning and age-related diseases such as Alzheimers, Werner syndrome, and Parkinsons. http://www.innovitaresearch.org/
Review of The Quest for Immortality: Science at the Frontiers of Aging Generally favorable review of a book by Olshansky and Carnes that argues that large increases in life expectancy are unlikely in near future without fundamental advances in the science of aging. (Requires registration, but is reprinted in entirety on Amazon.) http://content.nejm.org/cgi/content/full/344/12/941
Roman Life Expectancy Roman Life Expectancy: calculations and caveats about accuracy. http://www.utexas.edu/depts/classics/documents/Life.html
senescence.info Informational website on Gerontology and Aging Research http://www.senescence.info
US Life Expectancy Improves 2001 press release from US Dept of Health and Human Services describing recent findings. http://www.hhs.gov/news/press/2001pres/20011010.html