|
|
|
|
CAUSES OF MENTAL RETARDATION |
|
|
There are many reasons why someone might have below-average intelligence and impaired adaptive skills. The major causes of mental retardation are genetic disorders, such as Down syndrome; hormonal disorders, such as hypothyroidism (see Thyroid Gland); nutritional deficiencies; infection; exposure to toxic substances, such as lead paint; and traumatic brain injury. |
|
|
|
|
|
|
|
|
|