The new nutrition law gives local providers preference when they bid for school food contracts. Christopher Furlong/Getty Images hide caption

itoggle caption Christopher Furlong/Getty Images

Treadmills desks can be built at home as long as you have a treadmill. Sharyn Morrow/Wikimedia Commons via Flickr hide caption

itoggle caption Sharyn Morrow/Wikimedia Commons via Flickr

Gardening for health in Petaluma, Calif. Courtesy of Petaluma Health Center hide caption

itoggle caption Courtesy of Petaluma Health Center