For decades, scientists have known that mitochondria, which produce energy inside our cells, malfunction in Parkinson’s disease. But a critical question remained: do the failing mitochondria cause Parkinson’s, or do they become…

For decades, scientists have known that mitochondria, which produce energy inside our cells, malfunction in Parkinson’s disease. But a critical question remained: do the failing mitochondria cause Parkinson’s, or do they become…