Disease Caused by Marked Deficiency of Thiamine
Puzzle 3 of Architectural Styles Hard Pack
Question is: Disease Caused by Marked Deficiency of Thiamine
and the answer is: BERIBERI
Word Meaning:
BERIBERI — (pathology) An ailment caused by a deficiency of thiamine (vitamin B1), leading to lethargy and organ complications.
Definitions from Wiktionary.