If one defines mental in this question as a cognitive deficiency the general guidelines suggest that an IQ (intelligence quotient) below 70 indicates a mild mental deficiency. If an individual's IQ falls below 50 then the deficiency falls in the moderate range while an IQ of 20 or less indicates a profound mental deficiency.
Mental deficiency...
No, but it can give you mental deficiency, and so that mental deficiency might trigger eye failure. I hope this helps - I do not speak the English very good. Anja... xxx
The term "mental illness" refers to someone who has a mental (brain) related deficiency. Some of these mental illnesses affect your mood, behavior or actions.
iodine
Copper deficiency in children is associated with growth retardation. Zinc deficiency, Vitamin A deficiency and other nutritional deficiencies can also cause growth retardation.
L. T. Hilliard has written: 'Mental deficiency' -- subject(s): Mental retardation
There are many symptoms associated with vitamin deficiency. Some examples of these symptoms include fatigue, dizziness, and mental confusion or forgetfulness.
William Sloan has written: 'A century of concern' -- subject(s): American Association on Mental Deficiency, History, Mental retardation, People with mental disabilities
Mental illness, or mental deficiency has often been used to defend a defendant agsint prosecution for their offense. Sometimes it is successful..., sometimes not,
Hilary Crew has written: 'Money, morality and mental deficiency'
IQ score below 70, which falls into the mentally retarded range.
John Leslie Hoffman has written: 'Catholicism and mental deficiency' -- subject(s): Catholic Church, Children with mental disabilities, Church work with people with mental disabilities