More than 4.5 million Americans have Alzheimer's disease, a neurodegenerative illness characterized by memory loss and disorientation, among other symptoms.
More than 4.5 million Americans have Alzheimer's disease, a neurodegenerative illness characterized by memory loss and disorientation, among other symptoms.
逾450万美国人罹患老人失智症，一种神经退化性疾病，除了种种其他病徵，主要特徵是失忆和迷失方向。