Generally, an individual memory declined below the normal, are diagnosed with mild cognitive impairment (MCI). People suffering from such memory impairment show severe lapses of memory than usual for their age. Some of the indicative signs of MCI include forgetting the names and address of the person whom they meet frequently, missing appointment and repetition of the same jokes again and again. In simple words, a diagnosis of mild cognitive impairment should be made when memory impairment starts obstructing with the day to day activities.

Researches have recently figured out that the older people diagnosed with MCI are likely to develop Alzheimer's disease gradually with time. Thus people with mild cognitive memory impairment are more likely to develop Alzheimer's disease.

An extensive clinical analysis done by the National Institute on Aging has ultimate found out that intake of vitamin E and other Alzheimer's drugs can be quite useful. These drugs are capable of preventing as well as delaying Alzheimer's disease among the people suffering from mild cognitive memory impairment.