Many types of medical problems can cause hormonal imbalance, including: 1  Polycystic ovary syndrome (PCOS). PCOS causes relatively high and sustained levels of hormones, rather than the fluctuating levels seen in the normal menstrual cycle. 2  Thyroid malfunction.
Definition. Creative nonfiction is a branch of writing that employs the literary techniques usually associated with fiction or poetry to report on actual persons, places, or events.
Updated April 15, 2017. Nature writing is a form of creative nonfiction in which the natural environment (or a narrator's encounter with the natural environment) serves as the dominant subject.