Tufts University Apr 11 2025 As scientists seek to unravel the intricate potential connections between nutrition and the aging brain, a new study from researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University is shedding light on how insufficient consumption of vitamin K may adversely affect cognition as people get older. The study, conducted in middle-aged rodents, suggests that a lack of vitamin K may increase inflammation and hamper proliferation