Not being able to move, talk,see, and hear.
Subnormal intellectual development as a result of congenital causes, brain injury, or disease and characterized by any of various cognitive deficiencies, including impaired learning, social, and vocational ability. Also called a mental deficiency.
Not being able to move your left foot.
Decreased learning ability
Not being able to see as well
Hair falling out
Here's an interesting quiz for you.