<Tr> <Th> Diagnostic method </Th> <Td> Based on symptoms </Td> </Tr> <Tr> <Th> Treatment </Th> <Td> Non-invasive ventilation </Td> </Tr> <Tr> <Th> Medication </Th> <Td> Riluzole, edaravone </Td> </Tr> <Tr> <Th> Prognosis </Th> <Td> Life expectancy 2--4 years </Td> </Tr>

Amyotrophic lateral sclerosis (als) is a disease that results from nerve damage in the