However, given that only one study met the inclusion criteria for this segment of the review, it is imperative to underscore the necessity for future research on omega-3 fatty acids and GLA supplementation in cancer patients, particularly in those with breast cancer who exhibit low levels of omega-3 fatty acids in the context of FADS1/FADS2 gene polymorphisms [38]. The gene discussed is FADS1; the disease is breast cancer.