[1] The IFSO was founded in 1995 at an international obesity surgery meeting in Stockholm, Sweden.
[1] Since its founding the IFSO has hosted an annual World Congress as a forum for discussion on the surgical treatment of severely obese patients.
[1] Additionally, every year the IFSO organizes a roundtable as part of World Obesity Day.
[1] For example, in 2022 the IFSO collaborated with the American Society for Metabolic & Bariatric Surgery (ASMBS) to update the indications for metabolic and bariatric surgery, replacing the previous guidelines established by the National Institutes of Health in 1991.
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