<prompt> Thiamine deficiency is seen in all except -Chronic diarrhoeaChronic alcoholismHomocystinemiaFood faddist  <response>: Loss of vitamin B can occur due to alcoholism and due to diarrhea. Its loss is not associated with homocystinemiaREF. PARKS TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 618 