Moody : a woman's 21st-century hormone guide / Amy Thomson.

Hormones were something Amy Thomson never paid attention to, until one day her periods stopped and what had been an inconvenience each month became a barometer for her body's health and mental happiness. When she discovered that her hormonal burnout was driven by stress, she quit her job and focused on trying to understand how her body worked, to establish why and how she had pushed herself too far. In this guide, Amy shares the research and science behind how our hormones work for 21st century survival, how understanding your hormones can help you build better and healthier routines in your life, and why the systems and cycles inside our bodies are an invisible but powerful force.