Parkinson’s Disease is a progressive nervous system disorder that affects the person’s movement.  It starts sometimes with some tremor, or with stiffness.  It affects facial expression, speech, arm-movement, hand-movement, walking, getting out of the chair, and range of motion:  https://www.mayoclinic.org/diseases-conditions/parkinsons-disease/symptoms-causes/syc-20376055  … Continue reading →