Goldstein explains why a former attorney general with Parkinson disease has a tendency to faint, why young astronauts in excellent physical shape cannot stand up when reexposed to Earth's gravity, why professional football players can collapse and die of heat shock during summer training camp, and why baseball players spit so much. is designed to supplement academic coursework in psychology, psychiatry, endocrinology, cardiology, complementary and alternative medicine, physiology, and biochemistry. It includes an extensive glossary.