The National Institute on Aging and the World Health Organization have made available a report that examines living longer and disease and disability patterns; new sources of data on aging and health; the rising costs of health care; aging, health and work capacity; and the changing role of the family. The full report (15 MB) [is accessible online.](

This August 2011 report from the Population Reference Bureau’s *Today’s Research on Aging* series examines recent life expectancy trends in the U.S., Denmark, and the Netherlands, looking at the causes of both the stagnation and the resumption in rates of increase.

This August 2011 issue from the Population Reference Bureau’s *Today’s Research on Aging* series looks at volunteerism among the aging in the U.S. and other developed countries, including who is likely to volunteer and the benefits of volunteering for health and well-being.

Because centenarians (those age 100-plus) tend to be extreme examples of health aging, scientists have examined them for factors related to their “extended health span.” They find that life style, living conditions, and genes interact in contributing to old age health. Important non-biological factors include adequate health care in childhood, household income, and participation in social activities.

The Federal Affordable Care Act requires each state to create a “health care exchange” — or an online portal for comparing and shopping for health insurance. Helen Levy, who worked with President Obama’s Council of Economic Advisors in 2011, discusses how health insurance exchanges work and what they offer in terms of online health care options.

In recognition of their paper, “Why Does the Law of One Price Fail? An Experiment on Index Mutual Funds,” Brigitte Madrian, David Laibson, and James Choi were given the 2011 TIAA-CREF Paul A. Samuelson Award for Outstanding Scholarly Writing on LIfelong Financial Security. The annual award, named after Nobel Prize winner Samuelson, includes a $10,000 prize for the winning paper.

Funded by the NIA, LASI is a survey of persons 45 years and older in India, and their spouses. For the pilot wave, a representative sample of 1,683 people was surveyed on family structure, social interactions, health and health behaviors, cognition and well-being, labor force participation, income, retirement, and housing. [Announcement.](

In this story on the reasons that many Americans are postponing retirement, David Weir says that not only does postponement reduce retirement years and increase years of asset growth, but saving in the several years preceding retirement is generally easier: “In those last few years, once the kids are out of college and they have paid off their mortgage, for many people, this is when they really have the ability to save.”

Who qualifies as a “senior citizen”? As William Frey suggests here, as the 80 million or so Boomers reach retirement age, the status of seniorhood may be somewhat of a moving target. For example, marketers may stretch their intended audience age limit, or businesses may follow Social Security’s lead and raise the age for discounts.

University of Pennsylvania’s Claudia Valeggia was selected as a 2011 winner of the Presidential Early Career Awards for Scientists and Engineers. The award is the highest honor bestowed by the United States government on science and engineering professionals in the early stages of their independent research careers.