June 14 (UPI) -- When times were good, the dockworkers of Portus, the maritime port of Imperial Rome, enjoyed a surprisingly diversified diet. But new analysis of ancient animal and human remains -- detailed in the journal Antiquity this week -- suggests the diets of the city's working class shifted as Rome fell into decline.
Portus was established in the first century A.D. For four centuries, it served as the Roman's gateway to the Mediterranean and a nexus of maritime trade.
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