* Epidemiological studies have found that increased consumption of Allium vegetables ([[onions]], garlic, leeks and scallions) is associated with lower risk of [[gastric Cancer]] and prostate Cancer.
* The natural polyphenol in green tea known as ECGC has been shown to be particularly effective in lowering risk of a host of cancer cell lines including prostate, colon, esophagus, bladder and pancreas.
* the U.S. National Cancer Institute reported that Essiac herbs reduced proliferation of a prostate cancer cell line. Essiac tea : 52 parts Burdock Root (cut or dried) (parts by weight), 16 parts Sheep Sorrel (powdered), 1 part: Turkey Rhubarb (powdered) or 2 parts domestic Rhubarb, 4 parts: Slippery Elm (powdered).
== Warnings ==