Two foods that are part of the diet of long-lived people

Journalist and scientist D. Büttner has spent more than 20 years researching the ‘blue zones’ – the regions with the highest number of people over the age of 85.

To prolong life, the researcher advises to eat a handful of walnuts and about 200 grams of black beans every day. These two foods, he claims, form the basis of the menu of long-lived people.