Dr. Holly's passion for the subject stems from the quest to cure her own constant weariness--which she struggled with for more than 20 years--as well as the countless complaints of chronic tiredness she hears from patients each day in her internal medicine practice. This guide will help readers understand their exhaustion, rule out any underlying illnesses, correct any allergies or hormonal issues that may be contributing to extreme tiredness. Clear, comprehensive, and practical, this shines a bright light on an issue many people have simply accepted--but that they don't have to any longer.