Childhood junk food may secretly rewire the brain for life — but gut bacteria could help fight back. Children who regularly eat high-fat, high-sugar foods may experience lasting changes in the brain that continue long after their diets improve, according to a new study from University College Cork (UCC). Researchers also found that beneficial gut bacteria and prebiotic fibers could help reduce some of these long-term effects and support healthier eating behaviors later in life. Scientists at