What is (are) Juvenile amyotrophic lateral sclerosis ?
Juvenile amyotrophic lateral sclerosis (ALS) is a type of motor neuron disease which leads to problems with muscle control and movement. Signs and symptoms of juvenile ALS tend to present by age 25 years or younger.  Unlike other types of ALS, juvenile ALS is not rapidly progressive. People with juvenile ALS can have a normal life expectancy. Juvenile ALS is often genetic and may be inherited in an autosomal dominant or autosomal recessive fashion.