Australia-based Fermiscan is ready to test its new diagnostic using hair to detect breast cancer. The test, which uses 10 strands of a patient's hair, is safe, painless and noninvasive and uses an X-ray beam to detect molecular changes in the hair, which are noted by a superimposed ring pattern on the hair. In previous trials, the test accurately detected cancer in all women who had breast cancer confirmed by a mammogram. However, it does not work if hair has recently been dyed.

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