Medicine’s Andrew Curtis highlights difficulty of proving geographic cancer clusters

'Something's wrong': Medina County families demand answers after cancer diagnoses

WKYC: Andrew Curtis, professor of spatial epidemiology at the School of Medicine, said Medina County families’ cancer concerns warrant investigation, but proving a geographic cancer cluster is difficult because cancer can involve long exposure periods and people often move. He called community reports an important first step toward a larger scientific investigation and said concerns should be taken seriously.`