Graph of Peptides (IMAGE) Rensselaer Polytechnic Institute Caption As levels of AB40 decrease, levels of harmless AB42 monomers decrease as the monomers form harmful oligomers Credit Rensselaer Polytechnic Institute/Yilin Yan Usage Restrictions Be sure to use the credits listed License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.