344- P. 8 Hedonic ratings of sucrose solutionsi effects of body weight, weight loss and dietary restriction. ... may be due to a physiological regulatory mechanism called the ponderostat, which plays a role in the maintenance of body weight. ... Rochester Sch. Med. and Dent., Rochester. NY l4642, USAMcto Virol., 23(5), 433 -436 (l979) En;en. Challenge of human subjects with influenza virus produced a significant fall in the chemotaxis of polymorphonuclear leukocytes obtained from anbsp;...