> . If your population gains, on average, say, a year or two of life, the pay-as-you go pension systems that are already under strain in greying Europe will com

> . If your population gains, on average, say, a year or two of life, the pay-as-you go pension systems that are already under strain in greying Europe will come under even bigger strain. But if these tools can also dramatically lessen the cost for medical care, wouldn't that more than balance out?