Creating a world of learning, a world that can adjust its skills, knowledge, competences, to be able to positively approach the future. This is what sustainable development is all about! The acceleration with which society rearranges itself and the needs of its citizens shape the goals and strategies of the decision-makers. Lifelong learning can transform societies. The possibilities of transforming adults through education require sustainable investments at all levels, which, in the long term, will have tangible results in well-being, development, peace, health - a legacy we leave to future generations. Concerned with these values, through the lens of the Sustainable Development Goals, with reference to Health and well-being, which indicates "ensuring a healthy lifeand promoting well-being for all ages", we want to investigate in the following a group of teaching staff who attended the courses of professional training "Treasure in the bag with health - Methodological strategies to increase the quality of life of children" to determine if they are able to include health-promoting behaviors in the daily routine and if they implement strategies that promote health, well-being, for themselves, including for the educable. Educating the population for a healthy lifestyle results in the improvement of behaviors and attitudes, with a protective effect on health, influencing food choices, the way of resistance to daily challenges and a good physical condition. In the context of an expansion of the phenomenon of obesity and overweight globally both among adults and among children, with more than alarming data recorded by the European Regional Obesity 2022 report, we tend to reach in Europe by the year 2035 a total of 17 million boys and 11 million girls aged 5 to 19 who will be obese. Problems involving overweight and obesity in all age groups are projected to cost the WHO European Region $800 billion annually by 2035. In this context, addressing the health and well-being of the population becomes a priority, and this must be pursued by acquiring a correct attitude towards one's own life, in an environment supported by preventive actions for the problems of excess weight and obesity.