Researchers analysing hardened plaque from eight people buried in Edo-era Osaka detected 38 dietary proteins, including luxury red sea bream and cold-water fish imported through Japan’s shipping networks
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August 31, 2026
Nearly 400 years ago, people living in Osaka had no refrigerators, supermarkets or modern food supply chains. Yet an unusual scientific discovery suggests that their diets were far more varied than expected. Researchers analysing hardened dental plaque…