It is a nervous system disease that attacks nerve cells called neurons in the brain and spinal cord. These neurons transmit messages from our brain and spinal cord to your voluntary muscles like our arms and legs. The disease usually develops between 40-60 age group especially in men and there is no confirmed cause or cure for amyotrophic lateral sclerosis.
In amyotrophic lateral sclerosis, both upper ( motor cortex of the brain) and lower motor neurons ( brainstem) are lost. The cause is mainly unknown but is believed to be caused due to: