""Joseph Smith's Concept of the Word of Wisdom"" is a book written by John A. Widtsoe that explores the origins and teachings of the Word of Wisdom, a health code revealed by Joseph Smith, the founder of the Church of Jesus Christ of Latter-day Saints. The book examines the historical context in which the Word of Wisdom was revealed and its significance in the early days of the church. It also delves into the practical aspects of the Word of Wisdom,...