Among scientific specialties, dermatology is the one that closest to the precepts and techniques of cosmetological aesthetics. This is in charge of the study of the structure and functions of the skin and purifying the skin, in addition to treating the diseases pharmacologically. Dermatologists are doctors who, after completing the degree, which has an average duration of 4 years, specialize in dermatology and become suitable in diagnosing, preventing and indicating the most appropriate treatment. Skin diseases are sometimes isolated as vitiligo, however, on other occasions they are externalizations of internal ailments, as occurs in skin cancer and other conditions. In addition to knowing about infectious diseases, they must have knowledge of immunology, neurology, rheumatology and endocrinology. Cosmetic dermatology: It is a subspecialty of this branch of health that uses various techniques of cosmetics and appliances to treat scars left by acne using the laser, application of...
The first hospitals grouped all patients in a single room, regardless of their illness. Notable exceptions were mental nursing homes, quarantine centers and tuberculosis sanatoriums that were established at the end of the 19th century. Although advances in treatments have made most of these special institutions unnecessary, others have appeared dedicated to treating certain types of patients or diseases. Thanks to the advantages of specialized techniques and equipment, there are independent hospitals for women and children and for the treatment of eye diseases and disorders such as cancer. This type of hospital is usually associated with institutions dedicated to research and teaching. Modern general hospitals can consist of an urban medical center with a thousand or more beds, to which several more specialized hospitals are attached; or it can be a small center of 10 to 20 beds, serving a community of a few thousand people, with general medicine, surgery and maternity servi...