The study began in the late 1950s and involved seven countries (Italy, the former Yugoslavia, the Netherlands, the USA, Greece, Finland, Japan and the USA), looking at 13,000 people aged 40 to 59 years for more than 15 years.
The study found that mortality from cardiovascular disease (heart attacks and cardiac arrests) was significantly reduced in countries where people’s diets included a high intake of monounsaturated fatty acids (10).
This highlighted the importance of the diet that was carried out in Greece at that time and especially in Crete.