Dr. Robert Brackenbury
The essay entitled "The Fat of the Land" by Chris Hentschel is an excellent summary of many issues related to obesity. This essay is part of the Mill Hill Essays series published by the British National Institute for Medical Research.
The Rockefeller University has made available several brief and informative press releases describing the cloning of the obese gene, the identification of leptin, the protein product of the obese gene, and the mechanism of leptin action.
For more information on the effects of overfeeding in infancy, see an excerpt from a webpage posted by the Gerber company. (The complete webpage may be found at http://www.gerber.com/growth.html).