Step 1 : Introduction to the question "4. What 'P' is the study and diagnosis of disease itself?"
...1. Pulmonology 2. Palliative care 3. Podiatry 4. Pathology Pathology, from the Greek 'pathos' meaning feeling or suffering, has many sub-specialties: Forensic Pathology - concentrates on cause of death using cadavers; Psychopathology - dealing with mental illness or distress; Clinical Pathology - diagnosis of disease through laboratory analysis of bodily fluids. Pulmonology -- study of the respiratory tract and respiratory disease. Podiatry -- study of disorders of the foot, ankle, and lower leg. Palliative Care -- specialized care focused on the pain, symptoms and stress of serious illness.