A physician assistant (PA) has had a long day and has seen many patients. The last patient of the day is an 80 -year-old woman brought to the office by her 35 -year-old granddaughter. This is the patient's first visit to the office. As part of the patient's past history, the PA obtains information about childhood illnesses and adult illnesses and then moves on to inquire about the family history. Which important area of the past history has she omitted? Social history Immunizations Chief complaint Allergies Medications