Scientific Retractions are on the Rise, and That May Be a Good Thing Priceonomics Retracted Scientific Studies: A Growing List The New York Times How Bad Is This? : r chemistry What is the real impact of a retraction? New study finds Ambroxol protects against Parkinson's related brain damage offering hope where few treatments exist. A widely available cough medicine may offer new hope for people with Parkinson's disease dementia (PDD), Questions about vaccines and autism have been around for a while despite multiple scientific studies that do not show a connection. Swipe through to learn where the concerns started, the science behind