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What causes mental retardation and poor muscle tone? 4 possible conditions

See a list of possible causes in order from the most common to the least.

1

Down Syndrome

Down syndrome (sometimes spelled "Down's syndrome") is a genetic abnormality. It is the most common single cause of birth defects in the United States.

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2

Cerebral Palsy

Cerebral palsy is a group of disorders that affect muscle movement and coordination. Learn about the causes, types, symptoms, and treatment of cerebral palsy.

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3

Muscular Dystrophies

Muscular dystrophies are a group of inherited diseases that damage and weaken your muscles over time. This damage and weakness is due to the lack of a protein.

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4

Tay-Sachs Disease

Tay-Sachs disease is a neurodegenerative disorder most commonly found in infants. Learn more about this rare disease.

Read more »

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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