Other research suggests that ghrelin, a hunger hormone, may have a role. Once ingested, fat- and sugar-filled foods seem to have a feedback effect that inhibits activity in the parts of the brain that produce and process stress and related emotions.
Hereâs a quick summary of the top 5 healthy office snacks (as voted on by 42 experts!): 1  Fruit (15 votes) 2  Nuts (12 votes) 3  Nut Butter, Veggies (tied at 7 votes)  Protein Bar (6 1  votes) Yogurt (5 votes)
3. Brain Food: Peanut Butter. Kids love peanut butter, and that's a good thing since this healthy snack is packed with vitamin E, an antioxidant that protects nerve membranes. It also has thiamin, which is good for the brain, and glucose which gives energy.