Even though most than a hundred years have passed since we know Alzheimer's disease today it's considered as the human's frightful flagellum. While most of mental disease seem to be losing its evilness, the neurocognitives disorders caused by Alzheimer's disease, far from attenuating has duplicated it's appearance every each five years. And its symptoms are still being more depriving.

So, in opposition to the rest of the illness that affect the nervous system and the psychic apparatus, which due to the new treatment has been attenuated the clinical forms’ Alzheimer. With its severe pronostic and the illness evolution, haven’t been soften.

Our intention is firstly, share some concepts to consider Alzheimer's disease as a cruel illness that can reache all the elderly people around the world.

Secondly, to analyze the different forms of presentation than can mask a clinical state. Which many times could end-up in dementia. And will soon destroy the whole psychic apparatus of a person.

Present our study group in the three institutional medical centers, with ambulatory patients, who consult about a cognitive disease. We describe the evolution trough time, taking into account the pharmacological treatments.

The importance of the early detection of memory disorder, as one of the first signs of alarm which give us the opportunity to intervene therapeutically in on time.

We can recognize the Mild Cognitive Disorder as a clue which reveal a first therapeutic instance probably in efficacy in this cruel evolution towards dementia.