References
(1978, May). An Interview with Jack Dunn Trop. Health Science, V1(N2), 13-20.
https://www.healthscience.org/wp-content/uploads/2023/03/V1-N2-Health-Science-may-1978.pdf

Photo: V5-N1-Health-Science-jan.-feb.-1982
Film Affinity (n.d.). Jack D. Trop. Https://www.Filmaffinity.com/. Retrieved January 13, 2025, from
https://www.filmaffinity.com/en/name.php?name-id=821871559
Dunn Trop, J. (1991, Nov/Dec). People – The Picture of Health – Jack Dunn Trop: 50 years in Natural Hygiene. Health Science – Living in Harmony With Nature, V 14(No 6), pp22.
https://www.healthscience.org/wp-content/uploads/2023/03/V14-N6-Health-Science-Nov.-Dec.-1991.pdf
Huberman, M. (1992, July/Aug). In Memoriam – Jack Dunn Trop. Health Science – Living in Harmony With Nature, V 15(No 4), pp20.
https://www.healthscience.org/wp-content/uploads/2023/03/V15-N4-Health-Science-july-august-1992.pdf
IMDB (n.d.). J.D. Trop Biography. IMBD.Com.
https://www.imdb.com/name/nm0873568/
My Heritage (n.d.). J.D. Trop Biography. Myheritage.com. Retrieved January 13, 2025, from
https://www.myheritage.com/names/jack_trop
[Vegan Archive of Australia]. 1952. The Greatest Adventure, early Natural Hygiene [Video]. Vegan Archive of Australia.
https://www.youtube.com/watch?v=oExwQ4OKsLE
The NHA wishes to remind the readers that nothing in this or other publications is intended to constitute medical treatment or advice. Readers should be aware that some previous publications do not reflect the NHA’s current health teachings or approach to health in several areas.
Our Mission
The mission of the National Health Association is to educate and empower individuals to understand that health results from healthy living. We recognize the integration of all aspects of health: personal, environmental, and social.
We communicate the benefits of a plant-based diet, exercise and rest, a healthy environment, psychological well-being, and when indicated, the use of fasting.


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