The document discusses the history and components of the Mediterranean diet. The diet originated from the blending of cultures in Mediterranean coastal regions, incorporating influences from Islamic, African, American, and Roman cuisines. It is characterized by high consumption of plant-based foods like grains, fruits, vegetables, beans, nuts and seeds, along with olive oil, dairy, poultry, and fish in moderation and little red meat. Research has shown that following this lifestyle is associated with reduced risk of heart disease, obesity, and other chronic illnesses as well as longer lifespans.