Shining a red light up a patient’s nose is being tested as a new way to prevent infections in surgical incisions.
The new approach, being trialled in a UK hospital, is based on previous research which shows this kind of light therapy can cause a reaction inside bacteria that kills them.
Our noses have all sorts of bacteria, viruses and fungi living inside them. While these are normally harmless, if they get into a surgical incision they can colonise and cause infection. For example, around a third of us carry the bacterium Staphylococcus aureus in our noses, which is one of the leading causes of surgical-site infections.
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