Roux-en-Y Gastric Bypass (RYGB) is a popular form of bariatric surgery that reduces the size of the stomach and reroutes the digestive system. This results in both restriction of food intake and malabsorption, leading to significant weight loss. The surgery is considered highly effective for morbidly obese individuals and also helps improve obesity-related health issues like diabetes, hypertension, and sleep apnea. However, it requires lifelong dietary changes and nutritional supplements to avoid deficiencies.

Fat burning pills aim to increase the body's ability to burn fat by boosting metabolism or energy expenditure. Common ingredients include caffeine, green tea extract, and other thermogenic substances. However, the effectiveness and safety of these supplements can vary, and they should be used cautiously.

Roux-en-Y gastric bypass is one of the most common bariatric surgeries, combining restrictive and malabsorptive techniques. It helps patients lose weight by creating a small stomach pouch and bypassing part of the small intestine, reducing calorie absorption. It’s highly effective but requires lifelong dietary changes and nutritional supplementation.

In the UK, prescription slimming pills like Orlistat are available to help with weight loss, particularly for individuals with a high BMI. These pills work by reducing fat absorption in the digestive system. Over-the-counter slimming aids are also available but may not be as effective or safe without professional guidance.

Gastritis is an inflammation of the stomach lining, caused by infections (commonly H. pylori), prolonged use of NSAIDs, alcohol consumption, or stress. Symptoms include nausea, vomiting, stomach pain, and bloating. Treatment typically involves antacids, antibiotics (if infection is present), and lifestyle changes like dietary modifications.