Here are some of the latest health and medical news developments, compiled by editors of HealthDay: Experimental Alzheimer's Drug Ineffective The experimental Alzheimer's drug Flurizan produced disappointing results in a late-stage clinical trial and development of the drug will be halted, Salt Lake City-based Myriad Genetics announced Monday. Compared to a placebo, the drug didn't improve thinking ability by a statistically significant amount, nor did it improve patients' abilities to do daily activities, The New York Times reported. The drug -- designed to prevent the buildup of toxic amyloid plaques in the brain believed to cause Alzheimer's -- was one of the first of its kind to reach late-stage testing. The failure of Flurizan may raise doubts about the role of amyloid plaques in Alzheimer's and about other experimental...
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