Processed Foods Increase Colorectal Cancer

Paula Gallagher on
Eating processed foods can increase one's chances of colorectal cancere.

A new study has shown that eating a diet high in processed foods can lead to colorectal cancer. Researchers looked at different types of diet patterns and found that people who ate confectionaries (pastries, sweets) and fast food had higher incidences of colorectal cancer. Research has also linked the regular intake of processed foods to numerous other health issues, including obesity, heart disease, and type 2 diabetes.

What are Processed Foods?

Processed foods are products that undergo various changes to extend their shelf life, enhance flavor, and improve convenience. They typically contain high levels of added sugars, unhealthy fats, sodium, and artificial additives. Examples of processed foods include ready-to-eat meals, frozen foods, packaged snacks, sodas, and deli meats.

Understanding Colorectal Cancer

Colorectal cancer is the third most common cancer worldwide, affecting both men and women. It primarily originates in the colon or rectum and is often associated with lifestyle and dietary factors. According to the World Cancer Research Fund (WCRF), diet plays a significant role in colorectal cancer risk, and one of the culprits may be the consumption of processed foods.

Links Between Processed Foods and Colorectal Cancer

High in Processed Meats

Processed meats are found in a lot of commonly eaten foods that are not so good for our health.

Processed meats like bacon, sausages, ham, and deli meats are commonly found in processed foods. These meats are preserved through smoking, curing, or salting, and they typically contain harmful substances such as nitrates and nitrites. Research has shown that a high intake of processed meats is associated with an increased risk of colorectal cancer.

Low Fiber

Processed foods are generally low in dietary fiber, which is essential for maintaining a healthy digestive system. Fiber helps regulate bowel movements, reduces inflammation, and provides nourishment to beneficial gut bacteria. A diet lacking in fiber has been linked to a higher risk of colorectal cancer.

High Sugar & Unhealthy Fats

Many processed foods are laden with added sugars and unhealthy fats, promoting obesity and insulin resistance. Obesity is a known risk factor for colorectal cancer, and excessive sugar intake can contribute to excess caloric intake. This may lead to weight gain and excess body fat. Research has shown that being overweight or obese increases the risk of 11 types of cancers including colorectal, postmenopausal breast, ovarian, and pancreatic cancer.

Inflammation & Oxidative Stress

Processed foods can cause chronic inflammation and oxidative stress in the body due to their high levels of refined carbohydrates and unhealthy fats. Chronic inflammation has been linked to an increased risk of cancer development, including colorectal cancer.

Altered Gut Microbiome

Research suggests that the consumption of processed foods may negatively impact the gut microbiome. The gut microbiome is the collection of all microbes, such as bacteria, fungi, viruses, and their genes, that naturally live inside our bodies. A disrupted gut microbiome can contribute to inflammation and other factors that promote cancer development. Follow these tips for a healthier microbiome.

As the prevalence of colorectal cancer continues to rise, it is important to recognize the role of diet in its development. Processed foods, with their high levels of unhealthy components and low nutritional value, can significantly increase the risk of colorectal cancer. By reducing the consumption of processed foods and adopting a balanced diet rich in fruits, vegetables, whole grains, and lean proteins, we can proactively promote better colorectal health and reduce the risk of cancer.

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