Neurodegenerative disease refers to a group of conditions that mainly alter the neurons in the human mind. Neurons are part of the nervous system, which contains the spinal cord and brain. They do not usually substitute or reproduce themselves; therefore, when they expire or become damaged, the body cannot replace them (3). AD and Parkinson’s diseases are examples of neurodegenerative diseases. Neurodegenerative diseases are fatal by causing degeneration or demise of nerve cells. Due to this, problems start developing with mental functioning such as dementias or with movement such as ataxias. AD and Parkinson’s disease are very similar. Genetics causes both of these diseases. Moreover, both illnesses affect old people. Another similarity is
