http://articles.mercola.com/sites/articles/archive/2007/01/11/how-black-cohosh-can-tame-a-womans-hot-flashes.aspxBlack cohosh, a member of the buttercup family, has been traditionally used to treat menopausal symptoms such as hot flashes. New research has determined that it may work by acting on human "mu" opiate receptors, which help to regulate body temperatureenCommunityServer 2008.5 SP1 (Build: 31106.3070)