Work Your Brain
The fifth rule says that you should exercise your brain to stay active.
Last month scientists at Cambridge University said puzzles could help ward off a range of conditions, from depression to schizophrenia.Knitting, doing crosswords or just walking also help.
动脑
长寿的第五大法则是勤于动脑，让大脑时时处于积极思维状态。
剑桥大学的科学家上个月宣布，一些智力玩具可以帮助人们抵御一系列心理或生理疾病，如忧郁症和精神分裂症。编织、猜字游戏或散步也有助于健康。