This research will explore the potential effects of Narrow-Band Ultra Violet B (NB-UVB) radiation on the intestinal microbiota composition and confirm a regulatory skin-to-gut axis during baseline conditions. Changes in the intestinal microbiota composition caused by NB-UVB phototherapy could be beneficial for patients with chronic/auto-inflammatory diseases like inflammatory bowel disease (IBD) by removing dangerous bacteria, increasing beneficial bacteria, and ultimately modulating immune responses.
Age range
19 Years – 40 Years
Sex
FEMALE
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Serum vitamin D
Timeframe: 1 week
Microbiome
Timeframe: Before and after the UVB exposures (1 week apart)