By Kate Wedell | Dayton Daily News

While high-profile stories of price increases for life-saving prescription medications have earned negative attention for pharmaceutical manufacturers, many in the public are unaware of the role played by a less visible piece in the drug supply chain — pharmacy benefit managers.

While these companies say they save employers millions by using their collective buying power to negotiate rebates from drug makers, critics of these middlemen say their opaque tactics are actually the driving force behind some of the price increases vexing consumers.

Here are five things most consumers don’t know about pharmacy benefit managers:

Click here to read the full article in the Dayton Daily News.