University of Illinois at Urbana-Champaign Jun 16 2025 A new study offers insight into the health and lifestyle indicators - including diet, physical activity and weight - that align most closely with healthy brain function across the lifespan. The study used machine learning to determine which variables best predicted a person's ability to quickly complete a task without becoming distracted. Reported in The Journal of Nutrition , the study found that age, blood pressure and body mass index