Today’s Mediterranean diet leans on olive oil, vegies and fish. But the ancients mainly ate bread

What we call the Mediterranean diet today—all fresh vegetables, olive oil, and grilled fish—isn't quite what ancient Greeks and Romans actually ate, as The Conversation reports. Staple Mediterranean diets were built on bread and cereals, supplemented by pulses, oil, wine, and seasonal produce. Physician Galen, writing in the second century CE, provides the fullest picture: wheat was the most valued food, and bread—properly leavened and baked—was essential. One of Galen's own misadventures taught him the importance of processing: when a peasant served uncooked wheat grains instead of bread, he and his companions suffered severe indigestion, bloating, and headaches for a full day. Fish was neither always available nor affordable—fresh fish near Rome could even be contaminated by waste from latrines and bathhouses. The vegetables and fruit that did appear in ancient diets were often valued mainly for medicinal effects rather than nutrition. There was no single Mediterranean diet in antiquity: what people ate depended heavily on where they lived and how wealthy they were. In reality, the Mediterranean diet we know today is a modern take—a reconstruction that emphasizes the olive oil and seafood while removing the bread that dominated ancient tables.

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