You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "a genetic disorder that causes a moderate to severe mental disability is called?" whose answer is Genetic conditions.
Each document should contain about 30 words, and these documents should contain useful information.

Query: genetic disorder causing moderate to severe mental disability
Useful Output:

Doc 1: Fragile X syndrome is a genetic condition that causes a range of developmental problems including learning disabilities and cognitive impairment.
Doc 2: One of the most highly genetically inherited psychiatric disorders is bipolar disorder which may affect as much as 1-4% of the population.
Doc 3: Symptoms range from movement and speech impairment on the mild end of the spectrum to severe intellectual disability, autism, brain malformation
Doc 4: Children with DD/ID are at an increasing risk for a variety of comorbidities, including growth failure, epilepsy, ASD, ADHD, psychiatric illness
Doc 5: Intellectual disability (ID), also referred to as mental retardation (MR), is frequently the result of genetic mutation.