This illustration maps potential non-motor features of Parkinson’s disease onto the human body, showing how the disease can affect systems beyond movement, including mood, cognition, sleep, the senses, and autonomic functions such as digestion and blood pressure (adapted from Schapira et al., 2017).1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12