为了避免忘记重要的事,从在手上写字到用写备忘录,人们什么都会尝试。但一项新的研究显示,开怀大笑可能是改善记忆力的最佳方式。美国研究人员发现,爱笑的老年人记忆力可能会更好,这是因为大笑可以降低精神压力,而压力有可能对记忆力产生负面影响。研究人员让20名健康老年人观看20分钟搞笑视 To avoid forgetting important things, from writing on your hands to writing memos, people try anything. But a new study shows that laughter may be the best way to improve memory. American researchers found that loving older people may have better memory because laughter can reduce stress and stress can have negative effects on memory. Researchers let 20 healthy elderly watch 20 minutes funny look