Published Writings

In addition to clinical practice, Dr. Beil is a published researcher whose area of focus was the restorative effect of natural environments on health and well-being, popularly called "Vitamin N".  Primarily using a stress-modulation model, his research measures psychological and physiological effects of spending time in Natural vs Built urban settings.  This work is based on the concept of "Biophilia", the inherent human affinity for nature and other living things.  Dr. Beil's findings have been published in many respected peer-reviewed journals.

Click on any of the below images to read the full text.

Peer-reviewed research

Beil K, Hanes D. "The Influence of Urban Natural and Built Environments on Physiological and Psychological Measures of Stress - A Pilot Study." Int J Environ Res Public Health. 2013;10(4):1250–1267.



Beil K, Hanes D, Zwickey H. "Environmental Influence on Holistic Health Measures." Explor J Sci Heal. 2014;10(2):115–117.










Other published articles & interviews

Forest Bathing: Immersion in the Healing Power of Nature

Townsend Letter, July 2018

Natural Medicine: The Healing Effects of Exposure to Nature

Naturopathic Doctor News & Review, June 2009

In addition, Dr. Beil is on the editorial Board of the professional Natural Medicine Journal, and maintains a regular column about the healing powers of Nature. 

Dr. Beil is also an internationally recognized expert on these topics, regularly peer-reviewing for top-rated academic journals.  To see the list of completed peer-reviews go to