We know that certain environmental substances can trigger autoimmune disease. For example, silica can trigger scleroderma; certain drugs can trigger lupus; and, in some women, pregnancy can trigger an autoimmune disease. For more information: http://www.aarda.org/modules.php.
UPPER MOTOR NEURON DISORDERS (UMN). An upper motor neuron starts in the motor cortex of the brain and terminates within the medulla (another part of the brain) or within the spinal cord.So, an UMN disorder would include injury, disease or disturbance within this pathway from or within the brain and to the spinal cord (Photo 6).PPER MOTOR NEURON DISORDERS (UMN). An upper motor neuron starts in the motor cortex of the brain and terminates within the medulla (another part of the brain) or within the spinal cord.
Pain in motor neuron disease. Newrick PG, Langton-Hewer R. Twenty-seven of 42 patients with motor neuron disease had significant pain. The nature and duration of the pain are described along with an illustrative case-report.The aetiology and most effective treatment of this common complication of motor neuron disease remain unclear.ewrick PG, Langton-Hewer R. Twenty-seven of 42 patients with motor neuron disease had significant pain. The nature and duration of the pain are described along with an illustrative case-report.