Most of the bacteria residing in the human upper gastrointestinal tract is the friendly sort. But Helicobacter pylori, if it gets a foothold, can cause pain, bloating, ulcers, and even stomach cancer. One of doctors’ best diagnostic tools for this infection is a breath test. But feasibility depends on having access to an expensive spectrometer, which can cost a clinic thousands of dollars, says Boris Mizaikoff of Ulm University and Hahn-Schickard, an institute for applied research.
Read more here
