Study links frequent fast food consumption to early-onset colorectal cancer risk in Morocco

Study links frequent fast food consumption to early-onset colorectal cancer risk in Morocco
Wednesday 25 February 2026 - 16:30

Eating fast food more than three times a week is associated with a higher risk of early-onset colorectal cancer among Moroccan adults, according to a study published in February in Clinical Nutrition ESPEN.

The study, titled “Fast Food Consumption Patterns in Moroccan Adults and their Association with the Risk of Early-Onset Colorectal Cancer,” was conducted by researchers from the Laboratory of Epidemiology and Public Health, the Cancer and Chronic Disease Research Laboratory, and the Oncology Center of Mohammed VI University Hospital in Tangier.

Researchers analyzed data from 308 adults diagnosed with colorectal cancer and 308 participants without the disease, examining dietary habits and their potential association with early-onset colorectal cancer, commonly defined as cases occurring before age 50.

Using a food frequency questionnaire, the study found that among participants under 50, 59% of those diagnosed with colorectal cancer reported eating fast food, compared with less than 1% of those without the disease.

The highest risk was observed among individuals who consumed fast food more than three times per week, the study said.

The research also found that alcohol consumption was associated with an increased cancer risk.

By contrast, higher socio-economic status, consuming more than 200 grams of fruits and vegetables daily, and including legumes in the diet at least twice a week were associated with a lower risk, according to the findings.

The study highlights dietary patterns as a potentially significant factor in early-onset colorectal cancer risk, though such observational research identifies associations rather than direct causation.

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