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TThere are quite high as it comes in different types of mental retardation.

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14y ago
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13y ago

About 5% of mental retardation is caused by hereditary factors.

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14y ago

very common

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Q: How common is mental retardation?
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Related questions

What gene is responsible for the majority of inherited mental retardation?

Fragile X, a defect in the chromosome that determines sex, is the most common inherited cause of mental retardation.


Does over-study causes mental retardation?

Overstudy does not cause mental retardation.


Can you give me a literature review on mental retardation and depression?

literature review on mental retardation with reference


Exposure to what element can cause mental retardation?

Exposure to lead can also cause mental retardation.


How many people die from mental retardation?

The term "mental retardation" is generally considered outdated and offensive. People with intellectual disabilities may have a shorter life expectancy due to health complications or co-occurring conditions, but it is not accurate to say that a specific number of people die specifically from having an intellectual disability. It is important to focus on providing proper support and healthcare to improve the quality of life and longevity for individuals with intellectual disabilities.


How many kinds of retardation is there?

Mental retardation has different levels. There is Mild intellectual disability; moderate intellectual disability; severe intellectual disability; and Profound intellectual disability.https://www.floridahospital.com/mental-retardation-mr/symptoms-and-signs-mental-retardation


How often does autism result in mental retardation?

The two conditions are not at all related. Autism does not cause mental retardation.


Why do some people have mental retardation?

because some ppl are born with birth defects like mental retardation


What is the association between mental retardation and cerebral palsy?

About one-third of individuals with CP have moderate-to-severe mental retardation, one-third have mild mental retardation, and one-third have normal intelligence.


In how many cases of mental retardation does the cause remain a mystery?

In about 35% of cases, the cause of mental retardation cannot be found.


Is the marriage of two relatives couple causes mental retardation in their children in afamily has case history of mental retardation?

yes


What has the author Cathy Covert written?

Cathy Covert has written: 'Mental retardation' -- subject(s): Child, Mental retardation