Table 3. Study characteristics of reviews and their SANRA score.

SANRA: Scale for the Assessment of Narrative Review Articles

Author/ Year of publication	Study	Type of study	Interpretation	SANRA score
Blucher et al. [10] (2017)	Obesity and Breast Cancer: Current Insights on the Role of Fatty Acids and Lipid Metabolism in Promoting Breast Cancer Growth and Progression	Review	Extracellular lipids promote the growth and progression of breast cancer.	9/12, Good
Tan et al. [11] (2019)	Effect of High-Fat Diets on Oxidative Stress, Cellular Inflammatory Response and Cognitive Function	Review	High-fat diets can induce oxidative stress.	10/12, Good
Sellami et al.  [12] (2020)	Nutrigenomics and Breast Cancer: State-of-Art, Future Perspectives and Insights for Prevention	Review	There is a correlation between breast cancer and a non-alcohol-related diet.	10/12, Good
Shapira [13] (2017)	The potential contribution of dietary factors to breast cancer prevention	Review	Lifelong dietary intervention can help reduce breast cancer incidence.	10/12, Good
De Cicco et al. [14] (2019)	Nutrition and Breast Cancer: A Literature Review on Prevention, Treatment and Recurrence	Review	A healthy dietary pattern can improve breast cancer prognosis and quality of life.	10/12, Good
Garcia-Estevez et al. [4] (2019)	Updating the role of obesity and cholesterol in breast cancer	Review	Obesity, dietary fat, and cholesterol affect the onset and progression of breast cancer.	10/12, Good
Cenker [15] (2019)	Dietary Fat Consumption And Breast Cancer: A Review Of The Literature	Review	Low-fat or Mediterranean dietary patterns reduce the risk of breast cancer.	10/12, Good