How often have you heard that you should start following a Mediterranean Diet? But do you know what that really means? And if you do, how often do you follow it? I you’re like me, you may have found it hard to give up the pizza and ice cream.

DEAR DOCTOR K: I want to go on a diet and am trying to decide between low-fat, low-carb and Mediterranean. What do you think?

Pour on the olive oil, preferably over fish and vegetables: One of the longest and most scientific tests of a Mediterranean diet suggests this style of eating can cut the chance of suffering heart-related problems, especially strokes, in older people at high risk of them.