Everyone experiences anxious feelings in stressful situations, such as before a big test or when giving a speech. However, anxiety disorders are characterized by fear or worry that is disproportionate to the situation and difficult to control. It is sometimes accompanied by panic disorder, which causes panic attacks that often have no apparent trigger. Readers will learn about the different types of these very common disorders, with a focus on how to recognize and treat them, as well as the science behind them. Helpful infographics and informative sidebars clarify these often misunderstood disorders.