A 29-year-old who is 8 weeks pregnant presents with a chief complaint of nausea and vomiting. She states, “I’ve been like this for three weeks. I don’t know why this is called morning sickness since I feel sick to my stomach almost all the time”, reporting that she vomits 2-3 times nearly every day, stating, “I was worse 2-3 weeks ago, when I was throwing up 4-5 times a day. I figured out what food really bothers my stomach and cut those out.” A 24-h dietary recall reveals frequent low-fat me...