Parkinson's disease is a type of neurological disorder that is most common among the elderly, but can also occur in middle-aged adults. The symptoms of Parkinson's disease develop slowly over several years and are usually mild and worsen over time. According to the National Library of Medicine and the Mayo Clinic, early symptoms of Parkinson's disease include muscle dysfunction and difficulty with movement.
Shaking
Shaking or tremors is the characteristic symptom of Parkinson's disease that may begin early, with shaking in one hand or foot when you are otherwise at rest.
Muscle Dysfunction
You may experience early symptoms of Parkinson's disease that include stiff or prolonged contraction of your muscles, muscle pain and trouble with starting movements such as walking.
Poor Coordination
Poor coordination is an early symptom of Parkinson's disease that usually begins in your hands and fingers, resulting in difficulty with writing and holding a fork or knife.
Digestive Changes
A change in your digestive habits, such as frequent constipation, gas, bloating, indigestion and loss of appetite are early symptoms of Parkinson's disease that result from a slowdown in the peristaltic movement of your intestines.
Facial Expression
Early symptoms of Parkinson's disease may include changes in your facial expressions, such as less smiling, blinking and an overall decrease in facial responses during conversations.
Mood Changes
Parkinson's disease may affect your mood as a result of changes in the chemical balance of your brain, and symptoms such as anxiety, confusion and depression are early signs of Parkinson's disease.
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