TThere are quite high as it comes in different types of mental retardation.
About 5% of mental retardation is caused by hereditary factors.
very common
Fragile X, a defect in the chromosome that determines sex, is the most common inherited cause of mental retardation.
Overstudy does not cause mental retardation.
literature review on mental retardation with reference
Exposure to lead can also cause 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The term "mental retardation" is generally considered outdated and offensive.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.
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
The two conditions are not at all related. Autism does not cause mental retardation.
because some ppl are born with birth defects like mental retardation
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 about 35% of cases, the cause of mental retardation cannot be found.
yes
Cathy Covert has written: 'Mental retardation' -- subject(s): Child, Mental retardation