epa03052704 A photograph made available on 08 January 2012 showing an obese mouse weighing 52 grams (R) and a normal mouse weighing 20 grams in a laboratory of the tissue bank of the Integrated Research and Treatment Center for Adipositas (IFL) at Leipzig University in Leipzig, Germany, 06 January 2012. Reports state that the researchers are trying to find the ultimate diet pill without side effects. For this reason they analyse tissue samples of obese peoples and animals. The nationwide stores tissue samples of 800 patients and is being expanded. EPA/WALTRAUD GRUBITZSCH
