A new health program being rolled out at YMCAs across the country shows the potential for a community-based organization to deliver a nationwide health-care intervention.

The Y's target is diabetes. Research has shown that the program, which combines exercise, dieting and individual counseling, can have a big impact in reducing incidences of diabetes. Impressed by the research, insurers and employers are providing direct funding as the YMCA seeks to enroll participants in the program and induce them to reach weight-loss targets.

If it succeeds, the YMCA diabetes-prevention program could help slow the spread of a disease for which about 79 million U.S. adults are currently at risk. What's more...

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