
Hygienic Walter’s Park Sanatorium in Wernersville, Pennsylvania.
Photo courtesy of Wiki Commons
“Vitality is life, and the greater the vital force the more a man lives, and the more he can accomplish.”
Robert Walter, MD From Health Science, February 1979.
Anonymous. (1898). Book of Biographies: This Volume Contains Biographical Sketches of Leading Citizens of Berks County, PA. Biographical Publishing Company. pp. 249-25.
Anonymous. (1903). The Exact Science of Health, Based Upon Life’s Great Law. Dublin Journal of Medical Science 116 (383): 351-152.
Anonymous. (1903). The Exact Science Based Upon Life’s Great Law. The Lancet 2: 1786-1787.
The Exact Science of Health Based Upon Life’s Great Law. JAMA. (1903); XLI(14):867. doi:10.1001/jama.1903.02490330047027
- https://jamanetwork.com/journals/jama/article-abstract/451792
- R. M. G. (1904). The Exact Science of Health Based Upon Life’s Great Law. American Journal of the Medical Sciences 127: 1086.
Montgomery, Morton L. (1909). Historical and Biographical Annals of Berks County, Volume 1. Chicago. p. 504.
Hamersly, Lewis R. (1904). Who’s Who in Pennsylvania. New York. p. 765.
Anonymous. (1911). Distinguished Successful Americans of Our Day. Chicago. pp. 144-145.
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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