Painless Laser Tissue Analysis Could Replace X-Rays within Five Years

It’s a typical scenario: you ask the doctor to make you feel better; he or she proceeds to stick you with needles and bombard you with radiation. But a new breed of portable devices painless laser beams could use Raman spectrometry to diagnose conditions inside the body and put an end to X-rays and even blood drawing, in just a few years.

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