Dropping items could be a symptom of what disease?

Dropping items could be a symptom of Parkinson's disease. Parkinson's disease is a progressive nervous system disorder that affects movement. It is the second most common neurodegenerative disorder after Alzheimer's disease. Parkinson's disease is caused by the loss of nerve cells in the brain that produce dopamine. Dopamine is a neurotransmitter that helps control movement. Symptoms of Parkinson's disease include tremors, stiffness, slowness of movement, and difficulty with balance and coordination. Dropping items is a common symptom of Parkinson's disease because it can affect fine motor skills and coordination.