Assertion: als | /r/Causes | difficulty
Facets:
Source sentences:
text: ALS sometimes originates in the brain, causing initial symptoms such as difficulty in swallowing or talking; in other cases it originates in the spinal cord, causing initial symptoms such as weakness in the extremities.
text: ALS typically announces itself with persistent weakness or spasticity in an arm or leg (80 percent of all cases), causing difficulty using the affected limb.