Amazon buys healthcare start-up Health Navigator <!-- no image --> <div>Amazon.com Inc said on Wednesday it bought healthcare start-up Health Navigator, its second purchase in the healthcare services industry.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=o7NEEe3Y9gc:eic-i7zuctw:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=o7NEEe3Y9gc:eic-i7zuctw:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=o7NEEe3Y9gc:eic-i7zuctw:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=o7NEEe3Y9gc:eic-i7zuctw:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=o7NEEe3Y9gc:eic-i7zuctw:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/o7NEEe3Y9gc" height="1" width="1" alt=""></div> Posted by Reuters