Physical activity can improve mental health. Positive effect of physical activity on depression and anxiety are mentioned. Moreover physical activity increases resistance against memory loss during aging. Physical activity also improves quality and life satisfaction in all age group; this fact was confirmed also in Czech children. Physical activity should be sufficient, but not excessive, and it should be combined with pharmacotherapy in severe and long-term depression. The kind of physical activity depends on the preferences and possibilities of patients; walking, yoga, swimming, etc. are usually appropriate.

        Key words: physical activity, walking, yoga, mental health.