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健康饮食有助预防老年痴呆症

2014-03-05    来源:新华网    【      美国外教 在线口语培训

Research shows midlife healthy diet reduces risks of late-life memory disorders

A doctoral research carried out in the University of Eastern Finland shows that Healthy diet in midlife decreases risks of memory disorder in old age, Finnish Daily Helsingin Sanomat reported on Monday.

The research done by Marjo Eskelinen, Master of Health Sciences from the University of Eastern Finland, reveals that a healthy diet containing abundant of vegetables, fruits, berries and fish taken in middle age, can effectively reduce risks of memory disorders in late life; Meanwhile, an unhealthy diet with a lot of saturated fatty acid will significantly increase risks of dementia and Alzheimer's disease.

The researchers randomly selected 2,000 subjects, who were 50 years old in 1972, 1977, 1982 and 1987. The diet information was obtained through the forms of questionnaire and interview. The re-examination was conducted to check the health conditions of 1500 survivors aged 65 to 79 years old in 1998.

Compared with the group of persons whose diet was the least healthy, those persons who ate the healthiest had an 86-90 percent decreased risk of dementia, and a 90-92 percent decreased risk of Alzheimer's disease.

The study also manifests that a diet with abundant unsaturated fatty acid, Vitamin C, Vitamin B12 and folic acid helps enhance memory, while a diet containing much saturated fatty acid and cholesterol increases risks of developing memory disorders.

Additionally, the research shows that coffee can prevent memory disorder. The subjects who drank 3 to 5 cups of coffee per day at midlife had less risks of suffering from dementia in old age than those who drank less than 3 cups of coffee per day.

Eskelinen pointed out that changes in brain function caused by Alzheimer's disease could have started decades before the outbreak of the disease.

"The research proved the hypothesis that healthy dietary patterns are beneficial to brain's health", said Eskelinen, "and also helps to prevent people from memory disorders."

The doctoral dissertation titled "Midlife healthy diet can reduce risks of late-life memory disorders" will be defended in the University of Eastern Finland on March 7.

相关新闻:东芬兰大学的一项研究表明,中年时多吃蔬菜、水果和鱼等健康食品,可有效降低老年时患痴呆症的风险。

据芬兰《赫尔辛基新闻》3日报道,东芬兰大学的研究人员对2000人的饮食信息及他们的定期体检结果进行分析后发现,健康饮食可使患痴呆症的风险最多降低约90%。

这项研究结果表明,富含多种不饱和脂肪酸、维生素C、维生素B12及叶酸的食物有助于增强记忆力。这些食物包括鱼类、蔬菜和水果等。咖啡也有预防老年痴呆症的功效。与少喝或不喝咖啡的人相比,中年时每天喝3至5杯咖啡的人在老年时患痴呆症的风险也相对较低。而含较多动物性饱和脂肪酸及胆固醇的食品则会提高人们患痴呆症的风险。

东芬兰大学的研究人员玛丽奥·埃斯凯利宁指出,上述发现证实,健康饮食有益于大脑健康,也有助于预防老年痴呆症。(新华网)



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