Shannon Miller, 's most decorated gymnast, is supporting the American Lung Association of Florida by promoting Climb Jacksonville.  Click the image above to learn more about her passion to prevent childhood obesity and the Shannon Miller Foundation. Today, an estimated one third of all children in the are over weight, while the occurrence of obesity has more than quadrupled in the last 25 years. Obesity, a condition which often leads to asthma, is also a major problem on the First Coast . Activities like Climb Jacksonville give children 10 years and older the opportunity to train for a goal and have fun while they exercise!