Dr Alistair Humphrey: ODPG Conference Presentation

Dr. Alistair Humphrey, Medical Officer of Health for Canterbury, investigates the correlation between high rates of nitrates found in the water supply and the incidence of bowel cancer, and looks at the role of commercial dairy farming in his presentation ‘Drinking Water: Colorectal Cancer & Nitrates’. Continue reading Dr Alistair Humphrey: ODPG Conference Presentation