There are issues that are specific mostly to people who are morbidly obese and larger. Here's a few of the blog posts that are in that area.
The Truth About Super-Obesity and Weight Loss
http://thedivinelowcarb.blogspot.com/2011/11/truth-about-super-obesity-and-weight.html
The Skinny on Being Fat
http://thedivinelowcarb.blogspot.com/2007/07/skinny-on-being-fat.html
The Hideous Truth (quite long and hideous to read, too)
http://thedivinelowcarb.blogspot.com/2007/05/hideous-truth.html
Fat Forever? (a preview to 'The Truth About...' to come 3 years, 2 months later...)
http://thedivinelowcarb.blogspot.com/2008/09/fat-forever.html
The Bizarre Shapes of the Body
http://thedivinelowcarb.blogspot.com/2008/08/bizarre-shapes-of-body.html
Bad Relationships and Tea Time
http://thedivinelowcarb.blogspot.com/2006/12/bad-relationships-and-tea-time.html
Morbid Obesity: Protein Salvation
http://thedivinelowcarb.blogspot.com/2009/03/morbid-obesity-protein-salvation.html
Related: http://thedivinelowcarb.blogspot.com/2007/12/low-carb-meet-meat.html
The 10 Biggest Lessons for the Biggest People