Why do people in the Mediterranean live longer. The answer is simple they just eat healthier food and use olive oil. Olive oil just has an undescrible taste and it's just delicious! It's no wonder that it is consumed in so many countries. It significantly lowers all risks of death from all causes like heart diseases. Many studies have proven that people who follow a Mediterranean diet for some time will decrease the risk of death. Keep in mind that olive oil still is an oil to be consumed in small quantities.