Also known as common tansy, cow buttons and bitter burrows, Tanacetum vulgare, or tansy, is native to warm parts of Europe and Asia. It has been introduced to North America, where in some places it's ...

Background: Tanacetum parthenium (feverfew) has been used traditionally to treat migraine, and although its mechanism of action is not fully understood, serotonin 5-HT receptor blocking effects ...