Obesity is one of the biggest health problems of our generation. According to National Institute of Health(USA) people with BMI of 30 and above are considered obese. Rates of hypertension, type 2 diabetes, high cholesterol and heart attacks levels is on the rise. Finding effective ways to tackle this obesity crisis has become a very important health strategy.
Bariatric surgery is the most useful and permanent way of treating obesity and related co-morbid conditions, when options such as diet and exercise fail.

A research team led by the London School of Hygiene and Tropical Medicine examined 3,882 records of patients who had undergone weight-loss surgery and a similar group of people who had not undergone the procedure. They followed them for up to 4 years. They found that weight loss surgery patients underwent rapid weight loss for the first 4 months after surgery at a rate of almost 5 kgs a month. Weight continued to fall off, although at slower pace, up to the end of 4th year.

It was found from the research that if an estimated 1.4 million people believed to be morbidly obese in the United Kingdom had undergone bariatric surgery, it could have prevented 80,000 cases of high blood pressure,40,000 cases of type 2 diabetes and around 5,000 heart attacks over period of 4 years.

The researchers found that gastric bypass and sleeve gastrectomy were the two most successful procedures for achieving weight loss than other types of procedure. The estimated average 4 year weight loss was 38 kgs for gastric bypass and 31 kgs for sleeve gastrectomy.

Maintaining a healthy weight reduces the risk of developing cardiovascular disease and diabetes. While prevention is always better than cure, bariatric surgery not only helps patients to lose weight substantially, but also improves serious obesity related illnesses. It also helps to reduce the risk of developing them.

People having weight-loss surgery are 70% less likely to have a heart attack, and those with type 2 diabetes were nine times more likely to see major improvements in their diabetes. There was also reduced risk of developing heart attack.

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