Although in children, it usually occurs in adolescence, depression may appear in some form already in kindergarten. Usually, very young children are not diagnosed with depression in the true sense of the term, but the first symptoms may show up even at an early age. Depression may occur after losing a loved one, family problems, school problems, violence, and life changes, but its onset is also influenced by genetic factors. Chronic exposure to adverse life factors significantly affects the development of depression.

The COVID-19 pandemic has had a major impact on the social determinants of mental health for children. Social isolation and the closure of schools and preschools have made it more difficult for children to socialize and communicate and maintain friendship.

Healthy Eating Day is traditionally celebrated across the globe on the first Wednesday of November. It was established to remind people of the importance of healthy nutrition and what we put in our bodies. As science advances, we have learned that our diet can improve our health and be the key to a long and healthy lifestyle. Our diet plays an important part in our overall health and the body's ability to recover from any disease.

World Teachers' Day is celebrated annually on 5 October in 100 countries all over the world. This day has been declared by UNESCO in 1994. It was proclaimed on the same day as the 1966 signing of the Recommendation on the Status of Teachers. Education International (EI), the Brussels-based global federation of trade unions of education professionals is firmly convinced that World Teachers' Day ought to be internationally recognized and celebrated worldwide, and its efforts and efforts of its 401 members contributed to the international recognition and celebration of World Teachers' Day across the world.