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.
Mental illness, or mental deficiency has often been used to defend a defendant agsint prosecution for their offense. Sometimes it is successful..., sometimes not,
William Sloan has written: 'A century of concern' -- subject(s): American Association on Mental Deficiency, History, Mental retardation, People with mental disabilities
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