Presenting recent discoveries on ethnomedicinal plants from around the world, this book focuses on current progress and the future potential of drug development in ethnomedicine. Eight reviews examine therapeutic applications, including the spasmolitic effects of various plants, the anti-inflammatory activity of plants from Brazil and Tunisia, common fertility treatments in Trinidad and Tobago, traditional medicines from Cameroon and their interaction with estrogen receptors, the medicinal plants used in Spain to treat digestive problems, immune-modulators and stimulators from plants, and antimicrobial herbs from India.