Objective: The present study aimed to analyse the worldwide trends of adherence to the Mediterranean diet (MD), in 1961-1965 and 2000-2003. Design: Data were obtained from the FAO food balance sheets in two periods: 1961-1965 and 2000-2003. In order to have a sample from across the world, forty-one countries were selected. The average of available energy for different food groups was calculated for all selected countries. These values were used to evaluate the adherence to the MD through a variation of Mediterranean Adequacy Index (MAI).
The present study suggests that European countries, especially those in the Mediterranean area, have experienced a 'westernisation' process of food habits, and have increasingly similar patterns of food availability (mainly non-Mediterranean food groups) among them. Measures must be taken to counteract these tendencies and to avoid their possible negative consequences. It is also crucial to find ways to promote and preserve the Mediterranean diet and its lifestyle in modern societies.
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