Peter Bristol of Wakefield, R.I. leaves Butler Hospital in Providence, R.I., after receiving an intravenous infusion, Monday, June 9, 2014. Bristol is part of a major study that got under way Monday to see if an experimental drug could protect outwardly healthy seniors whose brains harbor silent signs that they're at risk for Alzheimer's disease. In one of the most ambitious attempts yet to thwart Alzheimer's disease, a major study got under way Monday to see if an experimental drug can protect healthy seniors whose brains harbor silent signs that they're at risk. (AP Photo/Michael Dwyer)
2014年6月9日，星期一，罗德岛韦克菲尔德的彼得·布里斯托尔在接受第一次静脉注射后的等待期间。布里斯托尔是周一开始的一项重大研究的一部分，该研究旨在观察一种实验性药物是否可以保护表面健康的老年人，这些老年人的大脑隐藏着潜在的阿尔茨海默病风险信号。本周一，一项旨在研究一种实验性药物是否能保护健康老年人的重大研究开始了，这是迄今为止预防阿尔茨海默氏症(Alzheimer’s disease)的最雄心勃勃的尝试之一。（AP照片/ Michael Dwyer）
Peter Bristol of Wakefield, R.I. receives an intravenous infusion at Butler Hospital in Providence, R.I., Monday, June 9, 2014. Bristol is part of a major study that got under way Monday to see if an experimental drug could protect outwardly healthy seniors whose brains harbor silent signs that they're at risk for Alzheimer's disease. In one of the most ambitious attempts yet to thwart Alzheimer's disease, a major study got under way Monday to see if an experimental drug can protect healthy seniors whose brains harbor silent signs that they're at risk. (AP Photo/Michael Dwyer)
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