Campbell's principal scientific interests, which began with his graduate training in the late 1950's, has been on the effects of nutritional status on long term health, particularly on the causation of cancer.

 Current Research Activities:

• Relationship of diet, nutrition and chronic degenerative disease etiology
• Nutritional effects on carcinogen and foreign compound metabolism
• Aflatoxin/liver cancer relationships
• Risk assessment and chemical toxicity
  

• Ph.D., Cornell University, Nutrition, Biochemistry, Microbiology, 1962
• M.S., Cornell University, Nutrition, Biochemistry, 1957
• B.S., Penn State, Pre-Vet Med, 1956