Mental health has two dimensions: one is the absence of disease; the other is living an active life. Mental illness may have a genetic link and is difficult to prevent. For teenagers, it may be something to do is to master & improve the ability to cope with bad things. Life cannot be smooth and there will always be various problems, such as academic failure, dating problems, teacher-student tensions, partnerships will always be friction, these problems should learn to cope with, and naturally you can maintain your mental health. Teenagers to maintain mental health are: 1, can be more involved in some books; 2, may be more friends, everyone has strengths, can complement each other; 3, can develop or cultivate the way of sports, because sports can largely improve the ability of people to cope with stress, improve sleep, improve the mood; 4, for parents, to maintain the mental health of teenagers, parents need is to provide a safe and stable environment for their children to grow up in, avoid being too strict with their children, and avoid violence. An environment where children feel safe and loved is extremely meaningful for their physical and mental development. Content source: Dr. Arigato