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

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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

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Sharyn Morrow/Wikimedia Commons via Flickr

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

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Courtesy of Petaluma Health Center