Allergies. Breast cancer. Hyperthyroidism. Ptsd. Shin splints. When you have questions about your health, you want quick, clear answers - or, when things get more complex, a road map of sorts. You'll find those in this second edition of Mayo Clinic A to Z Health Guide, with updated guidance on a wide range of medical problems. Easy-to-understand explanations cover- In plain terms, What is it? Risk factors and What's the cause? Comprehensive lists of common signs and symptoms, What tests to expect, to help you approach any health care visit feeling prepared, Treatment options, including innovative medications and procedures, Lifestyle tips for manaing and preventing health issues in your daily life, Inside you'll also find helpful medical illustrations and a user-friendly, browsable design. For trustworthy health information, this book is the go-to resource you'll pull off your shelf again and again.