by Public Library of Science Proposed model for the anti-obesity effects of Camptothecin in obese mice. Created with biorender.com. Credit: Jun Feng Lu (CC BY 4.0, creativecommons.org/licenses/by/4.0/) An anti-tumor drug promotes weight loss in mice at low doses by activating a natural hunger-suppressing pathway, according to a new study publishing February 24th in the open-access journal PLOS Biology by...