CLINICAL EPIDEMIOLOGY OF AMYOTROPHIC-LATERAL-SCLEROSIS

The introduction of palliative therapies in amyotrophic lateral sclero sis (ALS) will alter the epidemiology of ALS as it is known now. Altho ugh incidence rates will remain unchanged in the near future, prevalen ce rates will likely increase dramatically. Better understanding of th e age-specific presentation of motor neuron diseases worldwide will sh ed light on the vexing questions concerning the variable incidence rat es in some countries and apparent incidence gradients in North America and Europe.