Pickled Capers (IMAGE) University of California - Irvine Caption Pickled capers used in this study were found to activate KCNQ channels important for normal human brain and heart activity. Credit Bo Abbott 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.