CYP19A1 and breast cancer: Supplementation of diet with these specific nutrients contributes to alleviation of CP [29], as observed in systematic reviews on chronic pelvic pain [22], low back pain [30], rheumatoid arthritis or joint pain secondary to inflammatory bowel disease [31,32], migraine [33], chronic noncancer pain [34,35], pain in chronic liver disease [36], or aromatase inhibitor-related arthralgia in breast cancer [37].