About the Author: IRENA LEVITAN, PhD, is Associate Professor of Medicine at the University of Illinois College of Medicine at Chicago. Her research interests focus on the impact of dyslipidemia on K+ channels and endothelial biomechanics. FRANCISCO J. BARRANTES is the former head of the National Research Council (CONICET) - Bahia Blanca and UNESCO Chair of Biophysics and Molecular Neurobiology. Currently, he is Director of the Laboratory of Molecular Neurobiology and Professor at the Faculty of Medical Sciences, Pontifical Catholic University of Argentina. His current research interests focus on the understanding of nicotinic acetylcholine receptor-membrane cross-talk.