Northwestern University scientist Vadim Backman has developed a way to detect colon, pancreatic and lung cancer using reflected light. Note in the picture above how the cancerous cells have a light-scattering fingerprint with a lot less red.

Backman says you could have a simple test in your dentist’s office. He would swab your cheek to detect lung cancer. Your doctor could do a minimally-invasive probe for colon or pancreatic cancer that required no preparation or cleansing.

Trials so far have been successful for colon and pancreatic cancer and are being extended to other forms. You can read the press release here.

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