Executive summary: A mother\’s diet during pregnancy may increase her baby\’s risk of ADHD, new research suggests. Foods rich in omega-3 and omega-6 fatty acids, such as nuts, salmon, walnuts, cashews, soybeans, and eggs, are often recommended to pregnant women, but the results of this study show that too much of these foods can make babies less focused and less able to concentrate. Difficulty increases the likelihood of hyperactivity. What mothers eat during pregnancy may increase the risk of ADHD in babies, a new study suggests