What is obesity? Are you a candidate for weight loss surgery?
About a third of Americans are obese and another third are overweight. In Canada, 1 in 4 Canadians were obese in 2011-2012, or about 6.3 million people; the proportion has grown 17.5% since 2003. Mexico's obesity prevalence is not that distant to these countries with 32.4% obese and…