yes, phenylketonuria progressively leads to mental retardation. In phenylketonuria, there is lack of enzyme phenylalanine oxidase which generally oxidises phenylalanine to tyrosine. Hence, accumulation of phenylalanine occurs. This leads to a mousy smell a well as mental retardation.
Having a mental issue can affect learning in a number of ways. It makes communication a bit harder. Mental retardation also can affect learning because of social problems and interaction with those who are teaching.
Overstudy does not cause mental retardation.
mental retardation caused by an expectant mother's alcohol abuse
TThere are quite high as it comes in different types of 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The term "mental retardation" is generally considered outdated and offensive.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.