LOS ANGELES --Games and puzzles can help keep your mind sharp. But it turns out that family and friends might be the real key to stopping memory loss.Harvard researchers tracked memory function in 16,000 people. They used word lists to gauge memory.
Subjects also received points for time spent with family and friends.
They found those with the most social interactions had the slowest memory loss. experts aren't clear why, but they say socializing appears to boost brain power.