The U.S. Centers for Disease Control and Prevention cautions that unpasteurized milk can cause serious illness, because it's a fertile breeding ground for harmful germs like salmonella and E. coli. But such warnings haven't deterred raw milk enthusiasts. Abby Wendle/Harvest Public Media hide caption

itoggle caption Abby Wendle/Harvest Public Media

A French cheesemaker sets up wheels of Reblochon, a semi-soft cheese made from raw cow's milk, for maturing in a farm in the French Alps. Anglophone cheesemakers say translating a French government cheese manual will help them make safer raw milk cheese. Jean-Pierre Clatot/AFP/Getty Images hide caption

itoggle caption Jean-Pierre Clatot/AFP/Getty Images

Charlotte Smith, of Champoeg Creamery in St. Paul, Ore., says raw milk may offer health benefits. But she also acknowledges its very real dangers. Courtesy of Champoeg Creamery hide caption

itoggle caption Courtesy of Champoeg Creamery

Dan Brown pets "Sprocket," his family's 4-year-old, sole milking cow, before hosing her down at his farm in Blue Hill, Maine. Brown has become the poster child for Maine's food sovereignty movement. John Clarke Russ/Bangor Daily News hide caption

itoggle caption John Clarke Russ/Bangor Daily News

John Clark pours raw milk into a glass at Applecheek Farm in Hyde Park, Vt. Toby Talbot/AP hide caption

itoggle caption Toby Talbot/AP