MN, a 29-year-old asthmatic, has been diagnosed with migraines for almost two years. She is missing up to 4-5 days of work each month. Her headache diary confirms she averages five migraines per month. She currently uses a triptan with good effect to abort her migraines. She is on a controller medication for her asthma and uses albuterol as a rescue inhaler at least once a month. In addition to continuing her headache diary, which of the following would benefit MN?