October 1, 2009 12:06 pm Horses Benefit From Stem Cell Therapy A 4-year-old horse with severe tendonitis is proof that stem cells can help the body heal itself. US & World Videos 3:07 Cinthia's forecast: Sunny, breezy, warming ahead 1:35 AANHPI celebrations in San Francisco's Japantown, Chinatown 2:07 Smash-and-grab thieves hit Sunnyvale jewelry store 0:47 Suspect critically injured following standoff on I-80 in Solano County 1:48 Four tow trucks burned in Concord, Bay Point