Coffee and caffeine intake and risk of ovarian cancer: a systematic review and meta-analysis

Background Results from earlier publications on the association of coffee and caffeine and risk of ovarian cancer are inconsistent. Objective To evaluate the link between coffee, caffeine, caffeinated coffee, and decaffeinated coffee consumption and risk of ovarian cancer. Methods We searched PubMed/Medline, ISI Web of Science, Scopus, and Google Scholar to identify relevant publications up to April 2018. All case–control studies that considered...