How is depression different from sadness, and why are some individuals more predisposed to depression than others? What happens in the brain when we're depressed? What medications and options for therapy are available, and what side effects can antidepressants have? How can you help a friend or loved one experiencing depression? This title provides clear, concise answers to these and many other questions young readers may have regarding this difficult and often misunderstood topic. With a reader-friendly question-and-answer format that anticipates readers' needs and concerns, prevalent myths and misconceptions are identified and dispelled, and case studies illustrate key concepts and issues through relatable stories and insightful recommendations. Also includes a section on health literacy, equipping teens and young adults with practical tools and strategies for finding, evaluating, and using credible sources of health information both on and off the internet.