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By David Keene
Conference showed that the values Reagan cherished still endure
Topic - Carole Dufouil
New research boosts the "use it or lose it" theory about brainpower and staying mentally sharp. People who delay retirement have less risk of developing Alzheimer's disease or other types of dementia, a study of nearly a half-million people in France found.
Someone who retired at 65 had about a 15 percent lower risk of developing dementia compared with someone retiring at 60, after other factors that affect those odds were taken into account, Ms. Dufouil said.
The new study suggests that "people should work as long as they want" because it may have health benefits, she said.