Mary Ehrmin, LISCW, a licensed social worker with The Everett Clinic discusses anxiety and diet. Diet can play a huge role in anxiety. What you eat for your meals and snacks can impact anxiety levels. Adding additional protein can make a difference and is a simple change. Your brain just your body has to be fed and your brain can become uncomfortable if it doesn't know what is going on with its food supply. Keep it fed healthfully and your brain will be calm.