Search strategy Methods Draft 1 A thorough literature search was conducted across multiple science databases such as PubMed Web of Science Google Scholar and Cochran Library The search was done to find studies that assess the association between processed food consumption and colorectal cancer risk The search was limited to articles published in English with a restriction on the years of publication ranging from 2014 2024 The search strategy combined relevant keywords and terms such as processed food colorectal cancer CRC diet nutrition carcinogenesis and cancer risk Eligibility Criteria Studies were deemed eligible for inclusion if certain following criteria were listed 1 Population adults aged 18 or older 2 Exposure consumption of processed food including processed meats packaged foods sugary beverages instant meals 3 Outcome colorectal cancer incidence or possibility 4 Study design randomized controlled trials RCTs cohort studies case control studies 5 Language English 6 Exclusion studies were excluded if they were reviews meta analysis or not focused and cross sectional studies colorectal cancer
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