Extra Calories Cause Weight Gain—But How Much?
- Katan, Martijn B. PhD
- Ludwig, David S. MD, PhD
Author Affiliations: Institute of Health Sciences, VU University, Amsterdam, the Netherlands (Dr Katan); and Optimal Weight for Life Program, Department of Medicine, Children's Hospital, Boston, Massachusetts (Dr Ludwig).
Corresponding Author: Martijn B. Katan, PhD, Institute of Health Sciences, VU University, De Boelelaan 1085, 1081 HV Amsterdam, the Netherlands ([email protected]).
Financial Disclosures: Dr Katan reported receiving royalties from a book about nutrition and health, earning fees for periodically writing a newspaper science section column and for serving as a radio health commentator, and receiving grants from the Netherlands Heart Foundation and the Netherlands Organization for Health Research and Development for research on childhood obesity. Dr Ludwig reported receiving royalties from a book about childhood obesity and grants from foundations and the National Institutes of Health for obesity-related research, mentoring, and patient care.
Funding/Support: Dr Katan is supported by an Academy Professorship from the Royal Netherlands Academy of Sciences. Dr Ludwig is supported in part by career award K24DK082730 from the National Institute of Diabetes and Digestive and Kidney Diseases.
Role of Sponsors: Neither the National Institute of Diabetes and Digestive and Kidney Diseases nor the Royal Netherlands Academy of Sciences had any role in the preparation, review, or approval of the manuscript.
Disclaimer: The content of this commentary is solely the responsibility of the authors and does not necessarily represent the official views of the National Institute of Diabetes and Digestive and Kidney Diseases or the National Institutes of Health.
Additonal Contributions: We thank Steven Gortmaker, PhD, Department of Society, Human Development, and Health, Harvard School of Public Health, Boston, Massachusetts; Kevin D. Hall, PhD, Laboratory of Biological Modeling, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland; and Boyd Swinburn, MB, ChB, MD, FRACP, World Health Organization Collaborating Centre for Obesity Prevention, Deakin University, Melbourne, Australia, for their critical reading of the manuscript. We also thank Dr Hall for assistance in preparing the figure. None received remuneration for their contributions.
