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Pfizer had clues its blockbuster drug could prevent Alzheimer's. Why didn’t it tell the world?

https://www.msn.com/en-us/health/other/pfizer-had-clues-its-blockbuster-drug-could-prevent-alzheimer-s-why-didn-t-it-tell-the-world/ar-AACoIHv

A team of researchers inside Pfizer made a startling find in 2015: The company's blockbuster rheumatoid arthritis therapy Enbrel, a powerful anti-inflammatory drug, appeared to reduce the risk of Alzheimer's disease by 64 percent.