阿尔茨海默氏病感染了世界上上百万的人.美国的研究人员说这种病将在2050年感染全世界上千万人!
Now, a much simpler physical test to predict Alzheimer's risk has been developed. Researchers found that trouble with the sense of smell can be one of the first signs of Alzheimer's. Using this information, they developed a test in which people were asked to identify twelve familiar smells. These sm…