Welcome back to the Healthy Muse newsletter, where we cover the latest and greatest in healthcare policy, innovation, business, and more —… — Welcome back to the Healthy Muse newsletter, where we cover the latest and greatest in healthcare policy, innovation, business, and more — once a week. Biogen’s Alzheimer’s Drug Makes a Comeback It seemed like Biogen’s Alzheimer’s drug, — a therapy called aducanumab — was dead after its March clinical trial results came back with gloomy results…