In a small new study in Spain, women who consumed a hefty dose of extra-virgin olive oil as part of a Mediterranean diet were less likely to develop breast cancer over the next five years than women eating a low-fat diet. - mediterranean sea med - Previous research has suggested lower overall cancer risk in Mediterranean regions, but it’s been less clear how the diet affects breast cancer risk per se. Now, the new study published today in JAMA Internal Medicine finds that women who eat the famously healthy diet may also benefit when it comes to breast cancer risk, in addition to the many other known benefits, like cardiovascular, metabolic, and perhaps even cognitive and mental health.