(Photo by Ben Pruchnie/Getty Images) We’re awash in hyped claims made about the health-impacts of countless foods and supplements. Determining which claims are backed by credible evidence isn’t always easy – contradiction is more common than clarity. A new review of “controversial and hyped” foods conducted by a team of researchers from the American College of Cardiology (the second in …

Getty Images/Justin Sullivan For years scientists have traced a link between coffee drinking and heart health, but they weren't sure exactly why coffee is associated with so many health benefits. A group of German researchers thinks they've found a possible answer, and it has to do with how the cells in our blood vessels react to caffeine. They think the …