Traditionally, the government's lifespan projections were relatively accurate. But Olshansky's group contends that the government failed to take into account advances in medicine, including gene therapy, that could lengthen lifespans.
"The government is anticipating that the rate of improvement in life expectancy will decelerate," said Olshansky. "We suggest the opposite." And to minimize the burdens that an aging society will place on the young, he said "the time to plan for this is now."
Copyright © 2011 HealthDay. All rights reserved.