American, which replaced its top operations executive last month, says its aging fleet has led to increased cancellations because of more mechanical breakdowns.

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Such activities are part of a holistic approach to ageing, says Gay Hanna, executive director of the National Center for Creative Aging.

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"Aging boomers are accustomed to having coverage, " points out Evelyn Ireland, executive director of the National Association of Dental Plans.

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"This aging infrastructure needs to come out of the ground as fast as possible, " said Carl Weimer, executive director of the Pipeline Safety Trust, a Bellingham, Wash.

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"Cancer is a disease of aging, so as people live longer there will be more cancer, " explained Dr. Michael Kastan, executive director of Duke University's Cancer Institute.

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