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.
Lesson Summary. The autobiography falls into the nonfiction genre. Nonfiction works are based on real events and people, containing provable facts. An autobiography is the story of one person's life, written by that person. It is usually told in first-person point of view and covers the author's entire life.