I read many times bad bacteria are needed too because a balance between the good bacteria and bad bacteria is considered the healthiest. But why, what is their function?
Do they help digestion too? Are they needed to keep the good bacteria in check? And what's wrong with having only good bacteria in your gut (if one could manage that)?
asked bySam_6 (1191)
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on September 07, 2013
at 12:44 AM
The more I have read about bacteria lately, the more I think that there is no easy divide between "good" and "bad" bacteria, and that maybe it doesn't even make sense to use those terms. Some so-called "bad" bacteria turns out to be necessary for health, and to only have "bad" effects in some cases. H. pylori is the prime example...it was assumed for many years to be "bad", now they suspect that it is what kept asthma rates in check. There was a great article in the New Yorker about bacteria recently -- if you know someone who is a subscriber, ask them if they can send you a copy:
on December 20, 2012
at 12:37 PM