J. H. (John Henry) Tilden

Born in 1851 and active as a physician in Denver, John Henry Tilden became known for his sharp criticism of mainstream medical practice and for promoting a drugless, hygiene-centered approach to health. He is most closely associated with the idea of toxemia, his theory that disease develops from the buildup of bodily waste brought on by poor habits and lowered vitality.

Tilden wrote extensively for general readers as well as patients, using plain, forceful language to argue that diet, rest, and self-discipline mattered more than medicines. His best-known work, Toxemia Explained, helped spread his ideas to a wide audience and made him a notable figure in alternative health circles.

Although many of his medical views are now considered outside modern scientific medicine, his work remains of historical interest for readers exploring the roots of naturopathy, natural hygiene, and early self-help health writing. He died in 1940.