date:Feb 26, 2013
Mediterranean diet that focused on nuts or a Mediterranean diet that focused on olive oil.
On average, the men and women were overweight or obese. In all three groups, the average body-mass index was 30 or close to it, which is defined as obese.
The olive oil group consumed about a liter -- roughly 34 ounces -- of olive oil a week. The nuts group ate about one ounce of nuts a day, including walnuts, hazelnuts and almonds. Members of both groups also ate plenty of fruits and vegetables, as wel