Scleroderma--a chronic autoimmune condition that causes hardening, thickening, or tightening of the skin and attacks the heart, lungs, kidneys, and gastrointestinal tract--is extraordinarily difficult to diagnose and can take a huge toll on the psychological well-being of the individual. From the first moment of her diagnosis, author Karen Gottesman took charge and educated herself on every aspect of her condition. Now, as a "patient-expert," she...