Olive...

Long life expectancy can be achieved through some simple lifestyle changes, such as not smoking, regularly exercising, and eating a healthy diet. 

 Over the last few years the Mediterranean diet has been shown to be beneficial to boosting longevity. The Mediterranean diet comprises of lots of legumes, fish, fruits and vegetables.

French scientists found that old people who regularly used olive oil for cooking, salad or with bread had a 41 per cent lower risk of stroke, compared to those who need consumed it.

A study carried out by researchers from Barcelona in Spain found a key mechanism by which virgin olive oil protects the body against breast cancer. 

Olive oil has also been found to maintain healthy cholesterol levels.