A customer shops for milk at a Safeway in Livermore, Calif. Although it may seem counterintuitive, there's growing evidence that full-fat dairy is linked to reduced body weight. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

The recent yogurt boom of upstate New York has meant more jobs in places like the Chobani plant in South Edmeston, but it has not led to a bigger dairy herd in the state. Mike Groll/AP hide caption

itoggle caption Mike Groll/AP

European dairy farmers spray police officers with milk during a demonstration outside the European Parliament in Brussels on Monday. Geert Vanden Wijngaert/AP hide caption

itoggle caption Geert Vanden Wijngaert/AP