Irina Bryndina, E.B. 2019. Hygiene and Endoecology, Light Bioenergy and Natural Ecology, Balanced Mentality and Spiritual Life as Criterion of Health. Innovative Journal of Medical and Health Sciences. 9, 2 (Feb. 2019), 299–306. DOI:https://doi.org/10.15520/ijmhs.v9i2.2459.