Answer:
Jim, probably suffering from Parkinson's disease.
Step-by-step explanation:
Parkinson's is a progressive disease of the neurological system that primarily affects the brain. This is one of the main and most common nervous disorders of the elderly and is characterized mainly by impairing motor coordination and causing tremors and difficulties to walk and move. There are no ways to prevent Parkinson's, but there are several treatments to reduce the symptoms of the disease.