Can Dogs Help Detect Cancer?

Can dogs smell cancer? is a Biology News Net article noting evidence for the extraordinary ability of dogs to detect both early and late stages of lung and breast cancers through their sense of smell. The related study was published in the March 2006 issue of the journal Integrative Cancer Therapies. Encouragingly study results indicated that dogs can detect breast and lung cancer with sensitivity and specificity ranging between 88% and 97%. Other studies previously found that dogs could identify chemicals diluted within parts per trillion ranges.