One of the most intelligently presented popularizations of medical theory, this is a discussion of the new science which considers mind and body co-equally, which is based on the understanding that pain may have a mental source as well as physical. With considerable background and case illustration, this discusses many of the emotional factors in illness. Childhood and the ""delayed action mines"" held over for later ill effect; the ""beloved symptom"" which excuses, compensates, or attracts attention; doctor-patient relationships and the various-impellent, deterrent factors; the therapeutic factor of emotion with Lourdes the classic example; the diseases most commonly involving psychosomatics, heart, hypertension, mental indigestion, allergies, diabetes, TB, arthritis. Some consistently fascinating, curious and persuasive case material makes this of special interest in what is already a highly interesting new branch of medicine.