Scientists discover a cellular “overflow valve” that could unlock new treatments for Parkinson’s. (TMEM175 from the perspective of the lysosomal interior.) Credit: © O. Rauh Researchers have uncovered how a mysterious ion channel helps cells break down waste, opening new possibilities for treating Parkinson's disease. Just like sinks and bathtubs have overflow drains to prevent spills, human cells appear to have a similar built-in safeguard. A new study by scientists from Bonn-Rhein-Sieg