Tolerance.ca
Director / Editor: Victor Teboul, Ph.D.
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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Unlocking Secrets of a Sharp Mind at Old Age

There is no clear and easy way to tell when a person's thinking process has peaked, but most scientists agree that intelligence starts slowly deteriorating somewhere around age 70. However, some individuals' minds stay sharp well beyond that age and researchers would like to know why. VOA's George Putic reports.


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