__________________________________________________________________________________________Introduction: Aging is accompanied by several physiological and psychological changes in the organism of an individual (e.g., decreased sense of taste and smell, disruption of satiety, depression), which affect the nutritional intake. Purpose: The purpose of this retrospective study is to highlight the nutritional habits of elderly people. Materials and methods: Extensive review of the recent literature in electronic databases (Pub med, Google scholar) and journals. Exclusion criterion for the articles was the language than the Greek and English. Results: The increase life expectancy is important to be accompanied by physical and mental health, quality of life and, where possible, from participation in social, economic, cultural and spiritual life. Adopting healthy dietary patterns, combined with daily physical activity, and factors such as avoiding smoking, could help considerably in reaching these goals. The physical and psychological changes occurring during aging may adversely affect nutritional status. Instead, a proper diet can positively influence the physical and emotional state of elderly people. Conclusions: Diet and generally nutrition habits of the elderly play an important role in their health.

Introduction: AIDS is a viral infection that particularly affects the nutritional status of patients by complicating the absorption of nutrients and their metabolism. Purpose: The purpose of this retrospective study is to highlight the contribution of nutrition to the wellness of people with HIV in all stages of the disease. Review Methods: The methodology used to select the information used in this study includes review studies and research in leading databases such as PUBMED, MEDLINE, and IATROTEK. The selection criterion of the articles was the Greek and English language.Results: The real goal of the nutritional assessment of patients with AIDS is to improve their ability to consume a sufficient quantity and variety of foods in order to meet their nutritional needs. The evaluation of dietary intake assesses the adequacy of food and nutrients consumed. It includes assessing the dietary patterns, frequency of meals, and the factors that affect food choice. Conclusions: Maintaining a good nutritional status has a significant impact on the functioning of the immune system and the overall health of people living with HIV / AIDS.

Introduction: Unemployment as a problem exceeds the individual level and is the result of structural mismatches of each society. Purpose: In the present retrospective study are investigated the effects of the unemployment, especially among young people, and the prevention thereof. Material and methods: The sample consisted of recent articles on the topic, found mainly in the electronic database Medline, the Greek Academic Libraries Link (HEAL-Link) and through search engine "Google scholar". Results: The effects of the unemployment are proving disastrous for the psychology of young people, and decreases their self-esteem, they feel losing part of their social role, their relationships are made dysfunctional and eventually losing their quality of life. Conclusions: It is necessary the support for the unemployed youth of a team of experts, so that young people be enable to reevaluate their self-image and promote their quality of life.

Introduction: Health services are that part of the health system, which focuses specifically on the provision of health care services in the society. A health system includes a complex set of structural relationships between populations and institutions that have an impact on health. Purpose: This review aims to investigate the relationship between the quality of health services and health in general. Methodology: The study material consisted of recent articles on the subject found mainly in the Medline electronic database and the Hellenic Academic Libraries Association (HEAL- Link). Results: Certain dimensions of health service quality, such as consistency, completeness, and effectiveness, are also difficult to be measured, apart from the subjective evaluation by the client. But even subjective evaluation by the client can be difficult and the results will be different from the evaluation of services done by other parties, such as health professionals. While the latter evaluate the design and delivery of the service, the customers evaluate the service based on their overall perception of its provision. Conclusions: The continuous monitoring of health services for quality evaluation is very important, in such extent that the evaluation of patients' perceptions of the quality of health care, has received significant attention in recent years.

Idiopathic sudden sensorineural hearing loss (ISSHL) is a common condition characterized by hearing threshold reduction, most often of unknown causes. The patient experiences a sudden reduction of the hearing threshold in one or both ears. Steroids are the mainstream of the treatment. This study aims to investigate the effectiveness of intratympanic steroid administration compared with systemic administration and the combination of the two steroid treatments in the hearing recovery of patients with idiopathic sudden sensorineural hearing loss. We searched electronic databases such as PubMed,