GLENVIEW, Ill.--(BUSINESS WIRE)--Mead Johnson Nutrition Company (NYSE: MJN) today announced its financial results for the quarter and six months ended June 30, 2015. These results were consistent with the preliminary results released on July 14, 2015. Second quarter constant dollar(1) sales were 3% below the prior year quarter. Including the impact of foreign currency, reported sales were 7% below the prior year quarter. Sales for the six months ended June 30, 2015 were in line with the prior y