
The current study aims to determine if the Congenital Heart Disease Physical Activity Lifestyle (CHD-PAL) intervention increases time spent in moderate-to-vigorous physical activity as compared to an attention control condition among teens (ages 15-18) and young adults (ages 19-25) with moderate or complex forms of congenital heart disease. Additionally, the current study will examine durability of intervention effects and explore changes on biomarkers of cardiovascular health in this population.