On the other hand, the behavioural aspects, such as agitation, the patient becomes restless, every minute that he wanders, the patient of attention commits himself physically because he/she has resistance to acceptance of care. In the aggression, it becomes hostile, being a danger to the physical and subjectivity and the collective, is prone to inadequate speech with clumsy language and Depreciative hypersexuality manifests itself in sexual behaviours (masturbation and display of genitalia), vocabulary with a sexual connotation, attempted intercourse intense and fast sexual harassment. Alzheimer’s disease presents all the symptoms mentioned above and this is, therefore, a general framework inherent in all forms of dementia. In addition, Alzheimer’s shows other symptoms that influence the individual’s life, such as the ability to perform daily activities autonomously, which compromises the quality of life making it more and more dependent. Verbal behaviour is deficient with difficulties find words, complete ideas or even follow instructions. The thinking becomes obscure, forgetting, disorganized ideas, difficulty in learning new things, relationships with new experiences, reading and writing are outdated. In its most severe condition, the need for permanent patient care is generated by without motor control, fecal and urinary incontinence. In this sense, Alzheimer’s develops several psychosocial factors that only the life of the individual, but also of the family, leading to fatigue, anxiety, emotional and psychological stress for the limbs The physiology of aging shows how the progressive decline of all the physiological processes of the human body occurs. Its purpose is to study the biological, physiological and anatomical variations and changes that the human being suffers over the years. Aging can be different from one individual to another. It is an individual process that fulfils its own rhythm, being gradual for some and faster for others. In it, there are many factors influencing, such as genetic load, lifestyle, socioeconomic conditions and chronic diseases.