Classifying different stages of Parkinson’s disease is essential for monitoring the progression of the condition as well as identifying any headway made with certain treatment options. There are generally five stages of Parkinson’s disease and due to the slow progression of Parkinson’s, it may be difficult at times to clearly categorize individual cases into specific stages. The intensity of symptoms of Parkinson’s disease may vary, sometimes even on a daily basis, and certain cases may even skip some of the early stages of Parkinson’s disease. Stage 1 of Parkinson’s Disease (Mild) Symptoms are mild and may only affect one side. Daily functioning is not impaired although tremors create difficulty. Slightly evident changes in balance, posture, movement and facial expression.