Illustration (IMAGE) Karolinska Institutet Caption Proton pump inhibitors' effect on the enzyme that synthesizes the neurotransmitter acetylcholine Credit Taher Darreh-Shori Usage Restrictions None 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.