Book excerpt: The Psychology Express undergraduate revision guide series will help you to understand key concepts quickly, revise effectively and make sure your answers stand out. Each text is tailored to engage the reader and help you: Prepare for exams and coursework using sample questions and assessment advice Maximise your marks and approach exams with confidence Quickly grasp key research, critical issues and practical applications This new addition to the Psychology Express revision guide series will provide concise coverage of the key areas of health psychology.