Phytother Res. 2012 Oct;26(10):1427-40.
Anticancer activity of Morinda citrifolia (Noni) fruit: a review.
This article reviews several studies done on noni relating to cancer and immune stimulation. The author concludes that a substance in noni fruit juice may have a degree of anticancer activity. (original abstract available at https://www.ncbi.nlm.nih.gov/pubmed/22344842).