This is a very interesting article coming from a little bit different of a perspective. I have to say, my experience of what this author is speaking of is not that far off. Where she is saying it is permanent, I am
saying, lots of antibiotics in one's life really sets them back for being able to repopulate those microorganisms that have been wioed out-coupled with trying to balance the other damages that have been done. 

I do think medicine needs to take a closer look at alternatve ways to fight infection. Chinese medicine, and alternative medicines of all kinds have been doing that since the begining of time-very effectively. IT is that we are conditioned to think what we think, because we are brought up in a mainstream society. But, once we are introduced to other concepts outside the box, we have the opportunity to see how effective other methods may be.

Anyway, this is a great read: http://www.wired.com/wiredscience/2011/08/killing-beneficial-bacteria/