It is a great pleasure to respond to the invitation to write a foreword for this book. With a worldwide increase in an aging population, the practice of medicine is increasingly focused on elderly patients with chronic diseases and episodic acute exacerbations rather than the previous model of acute disease management only. As nephrologists around the world deal with millions of elderly individuals, many of whom are classified as suffering from chronic kidney disease in stages 2 5, they are, of necessity, practicing geriatrics without specific training or previous exposure in this field....