A 42-year-old man comes to the physician because he is concerned that he is balding. Over the past few months, he has noticed patchy areas of hair loss on his head. He also mentions that he has felt depressed since the death of his wife last year and has unintentionally lost about 18 kg (40 lbs). He is constantly fatigued. He has little appetite because he feels food does not taste the same way anymore. He also has occasional episodes of watery diarrhea. He drinks 5–6 cans of beer daily. Vital signs are within normal limits. Examination shows dry, scaly skin on both feet. There is patchy alopecia of the scalp, axillae, chest, and mons pubis. Which of the following is most likely to directly improve this patient's alopecia?
September 1, 2026 4
