Roux-en-Y Gastric Bypass (RYGB)

This is one of the most common and effective weight-loss surgeries. The surgeon creates a small stomach pouch and connects it directly to the small intestine, bypassing most of the stomach and part of the intestine. This reduces food intake and calorie absorption. Patients typically lose 60–80% of excess weight within 12–18 months. The procedure also helps improve diabetes, hypertension, and sleep apnea. It requires lifelong vitamin and mineral supplementation.

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