Neurodegenerative disease or neurodegeneration refers to the progressive damage or wear and tear of the nerve cells. Neurodegenerative disease causes loss of abilities like decision making and eventually memory loss. Neurodegeneration is a broader term which comprises of different disease namely Parkinson’s disease, Huntington disease, Amyotrophic Lateral Sclerosis and Alzheimer’s disease. These are the most commonly occurring diseases under the condition “Neurodegeneration”. Neurodegeneration can be caused due to genetic factor but the proportion is minimal. Major cause of neurodegeneration could be deposition of toxic protein substance in the brain or loss of functionality/improper functioning of mitochondria present in brain. Patients generally show mixture of symptoms for one or more neurodegenerative disease. Currently there is no cure for this condition however specific drugs are present in the market to minimize the symptoms (for example: donepezil and memantine for Alzheimer’s
