TEHRAN, Apr 09- It's common for people to become less sharp as they age, taking a little longer to do math in their heads or work out a knotty problem. But scientists might have a solution.
TEHRAN, October 30 - Aging societies represent a challenge for the world in the future. At a special forum in South Korea the world’s leading scientists, including several Nobel Laureates, brought that challenge into focus. Press TV’s correspondent Frank Smith reports from Seoul.