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9I制作厂免费 researchers say they have developed . The test looks for a hormone in patients' blood that the researchers determined was usually in short supply in Alzheimer's cases. Detecting the disease through a simple blood test will make it easier to treat patients in the early stages of Alzheimer's, when treatments aimed at curbing the disease's progress are most effective. As it stands, determining whether a patient has Alzheimer's requires going through checklists of symptoms and examining family history. The researchers hope the blood test will hasten that process and better measure the effectiveness of drug treatments.