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Obesity is a chronic disease that can lead to the development of 13 different types of cancer, according to the World Health Organization (WHO). These include postmenopausal breast cancer, colon cancer, endometrial cancer, kidney cancer, and more. Obesity is defined as having a body mass index (BMI) of 30 or higher. BMI is a measure of body fat based on height and weight. A BMI of 25 to 29.9 is considered overweight, while a BMI of 30 or higher is considered obese.

Obesity is often compared to smoking in terms of its impact on health. Both obesity and smoking are known risk factors for a wide range of health conditions, including cancer. According to the American Cancer Society, obesity is estimated to cause about 100,000 new cancer cases per year in the United States. This is similar to the number of cancer cases caused by smoking. In Nepal, obesity is also a growing concern as a risk factor for cancer and other non-communicable diseases. Studies have shown that the prevalence of obesity in Nepal has been increasing in recent years, particularly in urban areas. The World Health Organization (WHO) estimates that about 25% of the adult population in Nepal is overweight or obese.

One of the most effective ways to prevent cancer caused by obesity is through weight loss. Lifestyle changes such as diet and exercise can help some people achieve weight loss, but for those who are severely overweight or obese, bariatric surgery may be the most effective option.

Bariatric surgery, also known as weight loss surgery, is a surgical procedure that is used to treat obesity. There are several types of bariatric surgery, including gastric bypass, sleeve gastrectomy, and adjustable gastric banding. The surgery works by making changes to the stomach and/or small intestine to reduce the amount of food that can be consumed and increase the feeling of fullness.

A study published in the New England Journal of Medicine in 2003 found that weight loss through lifestyle changes, such as diet and exercise, was associated with a significant reduction in the risk of postmenopausal breast cancer.

A study published in the Journal of the American Medical Association (JAMA) in 2006 found that weight loss through bariatric surgery was associated with a significant reduction in the risk of endometrial cancer in obese women.

A meta-analysis of 10 studies published in the Journal of the National Cancer Institute in 2007 found that bariatric surgery was associated with a 30% reduced risk of cancer in obese individuals.

It is important to note that bariatric surgery is not a quick fix and it requires a lifelong commitment to healthy lifestyle changes, including a balanced diet and regular physical activity. Bariatric surgery is typically recommended for people with a BMI of 35 or higher, or for those with a BMI of 27.5 or higher and one or more obesity-related medical conditions such as heart disease, diabetes, or sleep apnea.

In addition to bariatric surgery, lifestyle changes such as regular physical activity, healthy eating, and stress management can also help prevent cancer. Eating a healthy, balanced diet that is low in saturated fat, trans fat, and cholesterol can help lower the risk of cancer. Regular physical activity can also help lower the risk of cancer by promoting healthy weight, improving circulation, and strengthening the immune system.

Conclusion,

obesity is a chronic disease that is a major risk factor for cancer, and weight loss through lifestyle changes or bariatric surgery can help reduce the risk of developing cancer. Obesity is considered to be similar to smoking in terms of its impact on health, and like smoking, it is important to treat it as soon as possible to prevent long-term health consequences. Bariatric surgery can be an effective treatment for obesity, but it is not a quick fix and requires a lifelong commitment to healthy lifestyle changes. Eating a healthy diet, being physically active, and managing stress can also help prevent cancer.

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