title: Reply to MG Browning.
authors.affiliation: From the Institute of Human Nutrition and Food Science, Christian Albrechts University, Kiel, Germany (MJM, e-mail: mmueller@nutrfoodsc.uni-kiel.de), and the Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany (AB-W).
authors.forename: Manfred James
authors.initials: MJ
authors.lastname: Müller
authors.affiliation: From the Institute of Human Nutrition and Food Science, Christian Albrechts University, Kiel, Germany (MJM, e-mail: mmueller@nutrfoodsc.uni-kiel.de), and the Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany (AB-W).
authors.forename: Anja
authors.initials: A
authors.lastname: Bosy-Westphal
mesh_terms: D000222:Adaptation, Physiological; D031204:Caloric Restriction; D006801:Humans; D008297:Male; D013217:Starvation / Q000378:metabolism*