Exercise the brain with things like chess , bridge , crosswords , sudoku and other puzzles .

可以经常做一些像国际象棋、桥牌、纵横填字游戏，数独和其他拼图之类的训练来锻炼大脑。

Researchers tested 84 male students by asking each one to sit in a room and solve a sudoku puzzle .

研究人员对84名男性学生进行了测试，让他们每人坐在一个房间里做一道数独题。