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good vs bad bacteria
April 23, 2009 by Anonymous, 28 weeks 3 days ago
Comment id: 36345
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It is patently untrue that good bacteria don't protect against bad bacteria. In fact it is well known that certain normal flora compete for resources with invading bacteria and help establish environmental conditions that resist colonization by pathogens. They may also cross-react immunologically with certain pathogens and therefore immunize the host against them. Vaginal lactobacilli appear to protect against yeast infection since their removal with antibiotics increases the risk of yeast infection. There are many other examples.