FILE- This April 26, 2017, file photo shows the Eli Lilly & Co. corporate headquarters in Indianapolis. Preliminary research published Dec. 21, 2017, in the Journal of Diabetes Science and Technology, suggesting that some diabetes patients may be injecting medicine that has partially disintegrated is causing concern even as serious questions are raised about the research itself. The small study tested insulin solutions in vials bought at multiple pharmacies, including insulin made by Novo Nordisk and Eli Lilly and Co. The makers stand by their products, saying they meet strict government quality regulations. (AP Photo/Darron Cummings)
