Abstract: Methods of treating or preventing cancer, or treating or preventing noncancerous tumors or lesions, in a subject in need thereof. The methods involve administering a therapeutically effective amount of one or more inhibitors of the YAP/TAZ pathway to the subject. In addition, methods of inhibiting or preventing glycolysis in cancer cells in a subject, promoting mitochondrial respiration in cancer cells in a subject, and promoting oxidative stress in cancer cells in a subject, by administering a therapeutically effective amount of one or more inhibitors of the YAP/TAZ pathway to the subject.