Not really.Actually the human body is designed to function entirely on animal protein
Okinawa has lots of beef, chicken and fish & not heavily processed “food” even brown sugar on Okinawa is healthy
" Yes,
traditional Okinawans historically ate significantly less meat and dairy than Americans, focusing instead on a mostly plant-based diet rich in sweet potatoes, vegetables, and soy, though some sources debate the extent, noting pork was culturally important and consumed moderately, unlike the high meat intake in the U.S.. While Americans consume vast amounts of meat, Okinawans derived only a tiny fraction of calories from animal products, emphasizing whole foods for their renowned longevity. "