Diet-Cancer Link: How Food Choices Affect Colorectal Cancer Risk in South LA Communities

Health experts are highlighting the connection between diet and colorectal cancer risk, an important health concern for residents of Inglewood, Compton, and surrounding communities where access to preventive healthcare and nutritional education remains a priority.

Research has shown a significant link between colorectal cancer and high consumption of red meat and processed meat. “The American Institute of Cancer Research has listed red meat as ‘probably carcinogenic’ and suggests limiting your intake to 12–18 oz. weekly,” according to nutrition experts. One mechanism may be that heme iron, present in red meat and processed meat, can lead to the production of free radicals that damage DNA.

This health information is particularly relevant in South Los Angeles communities, where colorectal cancer screening rates have historically been lower than the national average, according to public health data. The Martin Luther King, Jr. Community Hospital and other local healthcare providers have been working to increase awareness and screening rates among residents.

Cooking methods also matter. High-temperature cooking such as grilling or pan-searing can produce potentially cancerous substances called heterocyclic amines and polycyclic aromatic hydrocarbons. Diets higher in processed meats also tend to be higher in dietary fat, specifically saturated fat, which can increase the risk of obesity, heart disease, chronic inflammation, and colorectal cancer.

Additional dietary factors that may increase colorectal cancer risk include:

• Red and processed meat
– Fatty and fried foods
– Added sugars and simple carbohydrates
– Low-fiber diet
– Low vitamin B6 intake
– Low calcium intake

Health professionals recommend reducing risk by consuming more nutrient-rich foods. “The best way to decrease your risk of colorectal cancer is by consuming nutrient-rich foods such as non-starchy vegetables, beans, fruits, nuts, whole grains, tofu and fish such as salmon,” nutrition experts advise.

Plant foods have antioxidants that may protect against cancer, and foods like legumes, green bananas, nuts, and whole grains produce short-chain fatty acids with potential anti-cancer properties. Foods high in vitamin B6 (chickpeas, tofu, bananas, avocados) and calcium (edamame, yogurt, cheese, dark leafy greens) may also decrease colorectal cancer risk.

For Inglewood and Compton residents, local community gardens and farmers markets offer access to fresh produce that can help incorporate more of these protective foods into daily diets. The Inglewood Farmers Market, held every Thursday, and the Compton Community Garden provide affordable options for healthier eating.

Early screening is also crucial for prevention. People at average risk should begin colonoscopy screening at age 45, while those at higher risk should start earlier as directed by their healthcare provider. Several local healthcare facilities, including the Martin Luther King, Jr. Outpatient Center, offer colorectal cancer screening services to community members.

When researching nutrition information, experts recommend looking for peer-reviewed scientific literature, particularly from experimental rather than observational research. Consider the statistical significance, size, recency, and diversity of any studies you reference.

This article includes information from Hackensack Meridian Health’s HealthU publication.