What decease causes people to not walk properley?

Several diseases can affect a person's ability to walk properly, including Parkinson's disease, multiple sclerosis, and Arthritis. These conditions can lead to symptoms such as muscle weakness, coordination issues, and joint pain, all of which can impair mobility. Neurological disorders and injuries affecting the brain or spinal cord can also significantly impact gait and balance. Physical therapy and medical interventions often help manage these symptoms.