Michael Wieser (left) and Aaron Goodarzi show a toenail clipping collection bag that participants will use to send in their toenails for analysis. At 47-years of age, Emi Bossio, was feeling good ...

Researchers are asking thousands of Canadians to clip their toenails and store them in small, plastic bags for shipping to a Calgary laboratory. There, the slivers will be carefully cleaned of any ...

Scientists at the University of Calgary say they are looking for toenail clippings for a study looking into radon gas exposure and potential lung cancer risk. They say measuring levels of certain ...