Colorectal cancer is a common type of cancer affecting both men and women. Studies show that this type of cancer is often linked to lifestyle factors such as unhealthy eating habits, lack of exercise, and excess weight gain.

In this article, we explore the connection between excess weight and colorectal cancer.

What is Colorectal Cancer?

Colorectal cancer is a type of cancer that starts in the colon or rectum. It is also known as bowel cancer, colon cancer, or rectal cancer. Colorectal cancer typically develops from abnormal growths called polyps.

These polyps can become cancerous over time and spread to other parts of the body.

What Causes Colorectal Cancer?

The exact cause of colorectal cancer is unknown. However, factors that increase the risk of developing colorectal cancer include:.

Age – The risk of developing colorectal cancer increases as you get older
Family history of colorectal cancer
Unhealthy eating habits – A diet high in red and processed meat, and low in fruits and vegetables
Sedentary lifestyle – Lack of exercise increases the risk of developing colorectal cancer
Smoking and excessive alcohol consumption

Excess Weight and Colorectal Cancer

Studies show that a high body mass index (BMI) is associated with an increased risk of developing colorectal cancer. BMI is a measure of body fat based on height and weight.

A BMI of 25 or higher is considered overweight, and a BMI of 30 or higher is considered obese. The higher the BMI, the greater the risk of developing colorectal cancer.

Researchers believe that excess weight may increase the risk of colorectal cancer by:.

Increasing insulin resistance – High levels of insulin in the body can promote the growth of cancer cells
Inflammatory processes – Excess fat in the body can trigger inflammation, which can lead to the development of cancer
Altering gut bacteria – Changes in the gut microbiome due to excess weight can create an environment that promotes the growth of cancer cells

How to Reduce the Risk of Colorectal Cancer

There are several lifestyle changes you can make to reduce the risk of developing colorectal cancer. These include:.

Healthy diet – Eating a diet rich in fruits, vegetables, whole grains, and lean protein can reduce the risk of colorectal cancer
Regular exercise – Getting regular physical activity can reduce the risk of colorectal cancer
Maintaining a healthy weight – Maintaining a healthy BMI can reduce the risk of colorectal cancer
Avoiding smoking and excessive alcohol consumption
Screening for colorectal cancer – Regular screening can help identify precancerous polyps and detect cancer early when it is most treatable

Conclusion

In conclusion, excess weight is linked to an increased risk of developing colorectal cancer. Maintaining a healthy BMI through a healthy diet and regular exercise can help reduce the risk of developing colorectal cancer.

Screening for colorectal cancer is also important in detecting precancerous polyps and detecting cancer early when it is most treatable.