http://articles.mercola.com/sites/articles/archive/2005/11/19/evening-primrose-oil-fights-breast-cancer.aspxGamma-linolenic acid (GLA), the essential omega-6 fat that is found in evening primrose, black currant seed, and borage oil, can inhibit the action of the cancer gene Her-2/neu. This gene is responsible for almost 30 percent of all breast cancers. 40enCommunityServer 2008.5 SP1 (Build: 31106.3070)