Smart decay

Intellectual decline is a common symptom. If it occurs after the age of 18, it is called dementia. If it occurs before the age of 18, it is called mental retardation. It can occur in children and adults. According to statistics, the prevalence of dementia in people over 65 years of age is 4% to 6%, and the prevalence of elderly people over 80 years old can reach 20%. Intellectual decline is a syndrome that is only a symptom in many diseases. Therefore, its etiology is numerous and complex. Some of the causes of intellectual decline are curable or can be controlled, so it is important to diagnose and treat early.

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