The risk factors for intellectual disability are divided into three categories which are pre-natal, perinatal, and post-natal risk factors.
Risk factors for mental<unk>  include genetic syndromes, hypoxic ischemic injury, and seizure disorders among others.
Mental retardation risk factors
Hearing impairment risk factors
Schizophrenia causes
Psychosis risk factors
Attention-deficit hyperactivity disorder risk factors
Asperger syndrome risk factors
Mental retardation causes
Mental retardation differential diagnosis