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.
An essay is a short work of nonfiction. A writer of essays is an essayist. The term essay comes from the French for trial or attempt.. French author Michel de Montaigne coined the term when he assigned the title Essais to his first publication in 1580.