The ARIC data were especially useful to
study because
unlike most previous research linking gum disease and cancer risk, periodontitis cases were determined from dental examinations performed as part of the ARIC
study rather than participants» self - reports of the disease.
Unlike previous MRI
studies of tumors in mice, the researchers were able to detect very small naturally occurring cancers, which were excellent models for human breast cancer; the tumors the mice developed were «realistic models of the
most frequently detected human cancers,» the authors wrote.