Effects of gastric bypass bariatric surgery on gut microbiota in patients with morbid obesity.

The Western diet is associated with gastrointestinal dysbiosis, an active contributor to the pathophysiology of obesity and its comorbidities. Gastrointestinal dysbiosis is strongly linked to increased adiposity, low-grade inflammation, dyslipidaemia, and insulin resistance in individuals with morbid obesity. Bariatric bypass surgery remains the most effective treatment for achieving significant weight loss and alleviating obesity-related comorbidities.