Despite the previous positive experiences concerning the implementation of silver, like in the purification of water, anti-bacterial clothing have raised a controversial discussion in the media. This encouraged researchers to run a 6-week-long experiment, in which 60 healthy volunteers participated. For the study, special T-shirts were manufactured, which conveyed antimicrobial activity on one side, yet a non-antibacterial placebo effect on the other. For confirmation that this model actually did exert an antibacterial effect, the T-shirts were tested in the laboratory using Staphylococcus aureus und Klebsiella pneumonia. The volunteers were instructed to wear the T-shirts for at least 8 hours each day during the course of 4 weeks. The researchers analyzed on a weekly basis several parameters concerning the skin flora. In all the participating volunteers, the skin flora, both before and after, were within the normal range. There were no threats of a skin pathogen at any time. Therefore, these clothes have been characterized as being harmless and it seems like, their market will continue to expand as more people appreciate the benefits of leading an active life style.
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