“…Furthermore, van Gent et al (10) did not found lower level of VPA based on both self-reports and objective recordings, and neither did Nystad (11) at any level of exercise frequency or exercise hours a week in asthma based on self-reports. Even though asthma control and severity are associated with level of PA (1,6,7), and that increased intensity and exercise load is associated with bronchoconstriction (12), there is also evidence that psychosocial and socio-demographical factors and knowledge/competence are important for level of physical activity in children and adolescents with asthma (1,(13)(14)(15)(16)(17)(18). Parents observing shortness of breath in their child may lead them to restrain their children from exertion (14), with subsequent increasing fear of breathlessness followed by personal or parental restrictions (15,16).…”