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Dr. Vaughan's research interests include environmental and genetic factors in the causation of cancer. Examples include studies of occupational exposure to formaldehyde and wood dust in relation to lung and nasopharyngeal cancer, obesity and use of selected medications in the etiology of esophageal and gastric adenocarcinoma, and genetic studies of cancers of the nasopharynx, lung, esophagus, stomach, and kidney. He is also involved in a long-term cohort study of persons with pre-cancerous lesions of the esophagus, in which cell cycle and genetic abnormalities are being used as intermediate markers to facilitate identifying environmental and host factors that increase risk of neoplastic progression (see Barrett's Esophagus Project).

For more information visit Dr. Vaughan's Research Site: http://tvaughan.org/