This third, fully revised edition, brings the reader up to date with recent advances made in the study of disease at the molecular and cellular level, and examines the new possibilities for treatment. Leaders in the field explain the techniques of molecular and cell biology, which are being applied in specialities as far apart as cardiology and diabetes, and describe their implications for medicine. Subjects covered include: methods used in molecular medicine, the polymerase chain reaction; recent advances in cell biology, molecular genetics of common diseases; the role of molecular biology in diagnosis, and gene therapy. The should enable doctors, students and researchers to gain a basic understanding of the subject and some insight into the way in which the medical sciences will be moving over the next few years.