"Hachi Barie" Project - A Multidisciplinary Program to Accompany Severely Obese Teenagers in the Weight Loss Process for the Benefit of Their Recruitment Into the Israel Defense Forces

The purpose of the program: * Readiness for recruitment into the IDF, both in terms of recruitment criteria, and in terms of motivation * Candidates: teenagers aged 15 and over, who, based on their weight and associated morbidity, can be assumed to be exempt from conscription. Boys and girls motivated for change. Half-yearly program (26 sessions) with an option to extend. * The location of the activity. Closed meetings at the college in Kiryat Ono, meetings will also be planned at the Wingit Institute, and at the IDF base (if possible). * Number of participants for the initial pilot about 25 participants. More groups will be opened later. * Before the start, the candidates will be screened by psychologists from the pediatric endocrinology unit, * Before the start, the candidates will undergo a comprehensive medical examination by a pediatrician and endocrinologist, which will include height, weight, blood pressure test, waist circumference, Bio-Impedence * In the first and last meeting, the physical ability will be assessed by me 1. 6-minute walk test (6MWT) 2. Balance tests * Dynamic balance test - star excursion balance test * Stork Balance Stand Test, time measurement. 3. Muscle strength tests: pressing force with a hand dynamometer. Questionnaires * In the first and last meeting the participants will fill * Questionnaires of eating habits FFQ, as well as pickiness in food * Questionnaires about motivation, self-efficacy, depression