Ovarian Tissue Cryopreservation in Children and Adolescents.

Cancer during childhood and adolescence remains a major public health issue, affecting a significant portion of this age group. Although newer anti-cancer treatments have improved survival rates, this comes at a cost in terms of gonadotoxic effects. As a result, the preservation of fertility is important.

Medical and Behavioral Aspects of Adolescent Endometriosis: A Review of the Literature.

The majority of young women will experience discomfort associated with menstrual cycles and miss out on education and social opportunities. Endometriosis, the presence of endometrial glands and stroma outside of uterus, is the most common cause of secondary dysmenorrhea and characterized by pain despite treatment with nonsteroidal anti-inflammatory drugs and hormonal agents. The true prevalence of adolescent endometriosis is not clear.

Diet-Induced Hypothalamic Inflammation, Phoenixin, and Subsequent Precocious Puberty.

Recent studies have shown a rise in precocious puberty, especially in girls. At the same time, childhood obesity due to overnutrition and energy imbalance is rising too. Nutrition and fertility are currently facing major challenges in our societies, and are interconnected.

Evaluation of a nutrition intervention in adolescents of an urban area in Greece: short- and long-term effects of the VYRONAS study.

Objective: To assess the short-term (15-d) and long-term (12-month) effects of a school-based health and nutrition education intervention on diet, nutrition intake and BMI.

Design: The 12-week teacher-implemented intervention in combination with seminars organized for parents was aimed at improving children's diet and nutrition knowledge. The intervention took place between September 2007 and January 2008.

Overweight/obesity and factors associated with body mass index during adolescence: the VYRONAS study.

Aim: To describe overweight and obese adolescents and to determine any correlations between an adolescent's body mass index (BMI) with personal (age, gender), lifestyle (sedentary/sport activities, smoking status) and parental (smoking status, BMI, number of cars) characteristics.

Methods: Cross-sectional data on weight, height and various characteristics from 2008 Greek adolescents (12- to 17-year olds, 50.85% boys), measured in 2005-2007, were used.

Prevalence, patterns, and correlates of tranquilizer and sedative use among European adolescents.

Purpose: To examine the prevalence, patterns, and correlates of nonmedical use of tranquilizers or sedatives in 85,000 adolescent students from 31 European countries participating in the European School Survey on Alcohol and Other Drugs (ESPAD) in 2003.

Methods: Surveys in each country followed a standardized protocol. Logistic regression analysis was performed to identify sociodemographic and risk behavior correlates of medical and nonmedical tranquilizer or sedative use.

Correlation of foot length with height and weight in school age children.

Even though the forensic value of the correlation between foot length and human height and weight has been studied, there is a lack of studies regarding this subject in school age children. The aim of this study is to evaluate this relationship in a large sample of juveniles in a European country (Greece). The sample of the study consisted of 5093 children (average age: 11.

Further investigation of psychological and environmental correlates of substance use in adolescence in six European countries.

Aim: To study the multifactorial correlates of adolescents' use of legal and illegal substances in six European countries and to assess whether a common pattern of factors exists irrespective of the countries' different sociocultural backgrounds.

Design: Cross-sectional European school population survey (ESPAD) following standardized methodology.

Participants: National probability samples of 16-year-old high school students from Bulgaria, Croatia, Greece, Romania, Slovenia and the UK.