Biomedical models and healthcare systems

doi:10.1136/bmj.330.7488.419-b

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Tangible pathology has great validity

Peter Davies, general practitioner (npgdavies@blueyonder.co.uk)

Shelf Surgery, Halifax HX3 7PQ

EDITOR—Like Wade and Halligan,1 I think that current medical thinking about illness has serious limitations, which leads to problems for doctors and patients and helps administrators with diagnosis and certification.2 3 The traditional medical model is based on a direct link between lesion and symptom. Medical teaching rightly emphasises the processes linking symptoms with lesions.

Four groups of patients …