Jeff,

Thanks for asking about copyright.

First, I am not a chiropractor nor do I play one on TV.

You asked... "Is it legal to write a story from another story that you've read somewhere... rewording this article... or is this copyright infringement? "

When you Reword something into your own words, what you are doing is called Paraphrasing (http://en.wikipedia.org/wiki/Paraphrase) and it does Not infringe upon someone's copyright. Feel free to reword until the cows come home.

Michael Ross