The Mediterranean diet is one of the most widely recommended diets in the world. It is characterised by a high intake of vegetables, fruits, nuts, seeds, fish, olive oil and a moderate consumption of red meat and dairy products. Studies have shown that the Mediterranean diet can provide a number of health benefits, including improved heart health, weight control and reduced risk of many chronic diseases. In this article, we take a closer look at the principles of the Mediterranean diet and its impact on health.