Obesity and Cancer


Obesity One of the major causes of Cancer


Obesity is a medical condition that happens when an individual carries excess body fat or weight that may influence their healthy life. It is a medical issue that increases the risk of different health problems and diseases like heart disease, high blood pressure, diabetes, and certain cancers.

A doctor will normally suggest that an individual has obesity if they a high rate of BMI (Body Mass Index). You can also take the help of an online BMI calculator to find the exact BMI of your body. The below table will help you to find your weight status.

BMI Weight Status
Below 18.5 Underweight
18.5-24.9 Normal
25.0-29.9 Overweight
30.0 and higher Obesity


Obesity is one of the major causes of some cancers. There are many studies that show that obesity may increase the risk of cancer. According to one of the best oncologist in India Dr. Sandeep Nayak, the following is list of cancer that may be linked by obesity:

  • Breast cancer
  • Thyroid cancer
  • Head and neck cancer
  • Kidney cancer
  • Pancreatic cancer
  • Gallbladder cancer
  • Esophageal cancer
  • Prostate cancer

If any person has too much belly fat then there is an increased risk of getting colon and rectal cancer.  Obesity may also increase sex steroid hormones that are linked to post-menopause breast cancer.

The link between obesity and cancer is pretty much clear. Obesity is 3rd most important risk for cancer. Now let’s see how obesity can increase the risk of several cancers

The excess body weight can trigger inflammation and it can also produce estrogen. Pancreatic inflammation may lead to a higher production of insulin. The high amount of insulin and estrogen causes the cells to divide more than usual.  In some cases, these new cells can form cancerous tumors.

Causes of Obesity

The most common causes of obesity are physical inactivity and overeating. The following are causes of obesity:

Physical inactivity

Normally, people eat more and burn very few calories. There are many studies that show a strong relationship between physical inactivity and obesity in both men and women.


Overeating is the main cause of obesity. Overeating may lead to major weight gain especially diet is rich in fat. The foods high in sugar or fat have a high amount of calories even in a small amount of food.


As per research, there are many variants in genes that may contribute to weight gain and body fat. The involvement of hereditary factors in developing obesity is assessed to be 40-65%.

Frequency of eating

The correlation between the number of meals and weight is not still clear. But some of the studies have shown overweight people eating less often than normal weight.

How to prevent Obesity and Cancer?

If you are at the risk of obesity or currently you are overweight then you should take a few steps to prevent weight gain and obesity. Dr. Nayak, renowned cancer specialist in Bangalore, suggests the following steps help to prevent weight gain as well as to lose weight.

Regular Exercise

You should exercise 30 minutes daily for a healthy life. The normal physical activities like jogging, walking, cycling and swimming you should consider for daily exercise.

Have a Balanced Diet

You should have a balanced diet for consistent weight and weight loss. You should focus on low-calorie with nutrient-dense food in your diet. Fresh fruits, green leafy and whole grain should be incorporated in your daily diet. You can sometimes cheat your meal and have your favorite food in a small amount. You should always make a healthy choice of food items for your healthy life.

Regular Weight Monitoring

You should monitor your weight regularly. You should check your weight at least once a week to get rid of excess fat.  The consistent checking of weight help to detect any small changes before they become any big problem.

Adequate Rest

You should get plenty of rest in the daily schedule. You should get a minimum of 8 hours of sleep for daily activities.

As more than 5 cancers are associated with obesity, you should follow the above tips to prevent cancer. Dr. Sandeep Nayak, few among the best oncologists in India who prominently promotes cancer awareness camps & conducts educational conferences and seminars. He also has emphasis on spreading the message of early detection and cancer cure. If you want to know more about different cancer and cancer treatment, you can visit https://www.drsandeepnayak.com/


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