The Importance of Natural Light

Doctor Alexander Wunsch on the biological interaction with light:

The eye is definitely not the only receptive organ for light. Human skin is transparent to light. Even short wave-lengths like UV radiation reach the capillary layers and the blood inside these delicate vessels. All the pigments and molecules with chromophoric groups in our body absorb and emit photons. Each single atom has the attribute we could call photonic metabolism. Photons are the language in which all matter communicates; every jump (change of energy level) of an electron is a accompanied by photonic activity. The specific composition of sunlight as well as the properties of the atmospheric layers play important roles for the life-aiding qualities of natural light. Under today’s view-point we have to suspect that every aberration from these properties make artificial lighting potentially dangerous for health.

The implications of Malillumination:

There was a statistically significant difference between the students who worked under old-style fluorescent lights and those who worked under full-spectrum, visually-efficient lighting. This controlled study verified that depression was lowered among those students who experienced learning under full-spectrum lighting. Depression actually increased under standard fluorescent lights among the fourth graders. As an elementary school principal William Titoff conducted research for his Ph.D. dissertation and discovered that when the project was completed teachers with the full-spectrum lighting refused to put back the old-style fluorescent bulbs. Titoff, 199

Harmon, 1938 found that over 4000 children developed observable deficiencies associated with Malillumination. In the late 1940’s conditions of the learning environment (lighting, seating and decor) were instituted in schools, resulting in the following student improvements: 65% reduction in visual difficulties, 47.8% decline in nutritional problems, 43.3% reduction in chronic infections, 25.6% reduction in postural problems and, finally, 55.6% decline in chronic fatigue. (Laurence D. Martel)

Cool-white fluorescent light linked to increased dental caries:

I.M. Sharon, R.P. Feller, and S.W. Burney, ‘The Effects of Lights of Different Spectra on Caries Incidence in the Golden Hamster’, Archives of Oral Biology 16, no. 12 (1971): pp.1427-1431, reported that hamsters exposed for 15 weeks to cool-white fluorescent lights, whilst being fed with a cavity-inducing diet, had five times greater incident of dental caries than hamsters raised under similar conditions and diet that were exposed to full-spectrum lighting. The tooth decay in the hamsters exposed to cool-white lighting was found to be ten times more extensive than that of those under the full-spectrum regime.

Muscle strength and Fluorescent lights:

Fluorescent lights can emit radio-frequencies in the MHz range. Research undertaken by Commander Russell M. Jaffe, M.D., Ph.D, U.S.P.H.S., Senior Staff Physician at the U.S. National Institutes of Health in 1978, indicated that frequencies in the 0.1-100 MHz range appeared to weaken muscle strength and proper shielding restored both tone and strength. These findings were also indicated in the work of John N. Ott in his publication Light, Radiation and You: How to Stay Healthy, Devin-Adair (1982), ISBN 0-8159-61 21-9.

Increased exposure to fluorescent light and cancer risk:

Energy saving lamps emit UV-B and traces of UV-C radiation. It is generally recognized that UV-radiation is harmful for the skin (e.g. skin cancer) and the eyes (e.g. cataract). UV-C radiation, which is normally not observed in nature because it is absorbed completely in the atmosphere, is especially harmful. Several studies have found that fluorescent lights raise the risk for skin cancer. (Lytle, 1992)

The following results were obtained in a 2 year pilot study by S.L Gabby MD, determining the relationship between artificial light and its effects on C3H mice (highly prone to tumour development, 98% of males and females normally spontaneously develop breast cancer):

Type of Light // No. of pairs of C3H mice // Effects on test-animals // Comments

A. Pink fluorescent // 30 pairs // 29 female mice developed cancer – the other died of liver problems. // Females died 1 month earlier than those in Group B. 1-2 offspring per litter, instead of 6-15.
B. Daylight-white fluorescent // 30 pairs // 24 of 30 female mice developed cancer – 2 other females died of liver problem. // Able to breed 2 months longer than A. Also had larger litters than A.
C. Daylight through windows into basement room // 8 pairs (used as control) // Developed cancer 3 months after Group A, and 2 months after Group B 2 pairs of 8 pairs carcinoma free at time of report.

Source: S.L. Gabby (1961), Observations on the effects of artificial light on the health and development of mice, cited by J.N. Ott (1982), How to Stay Healthy, Devin-Adair (1982), ISBN 0-8159-61 21-9. Note: Lighting conditions were the only variable used.

In a similar study, using over 2,000 C3H mice J.N. Ott demonstrated the link between light and mortality rate from spontaneous tumour development, as below:

Type of Light – Average Lifespan of C3H Mice

Pink fluorescent – 7.5 months
Daylight white fluorescent – 8.2 months
Full-spectrum plastic glazing – 15.6 months
Natural outdoor daylight – 16.1 months

Source: J.N. Ott (1973), Health and Light: The Extraordinary Study That Shows How Light Affects Your Health And Emotional Well-being, Ariel Press, USA, ISBN 0-89804-098-1.

At the 1967, International Committee on Illumination (C.I.E.) in Washington D.C three Russian scientists; Dantsig, Lazarev and Sokolov presented a paper stating that:

If human skin is not exposed to solar radiation (direct or scattered) for long periods of time, disturbances will occur in the physiological equilibrium of the human system. The result will be functional disorders of the nervous system and a vitamin-D deficiency, a weakening of the body’s defenses, and an aggravation of chronic diseases (Ott, 1986)

Raised levels of ACTH and cortisol (indicators of stress) were found as a result of exposure to cool-white fluorescent lights, in addition to reducing immune system functioning, and mental performance. Raised stress levels can also stunt children’s growth. Cool-white Fluorescent tubes were legally banned in some German medical institutions. F. Hollwich and B. Dieckhues (1980)

A partial listing of health problems and social problems that fluorescent light have been implicated as aggravating is given below: (H.E.S.E Project, 2012)

Aggression, ALS, Attention Deficit Disorder, Autism, CFS/ME, Cancer, Reduced concentration, Confusion, Diabetes, Dermatitis, Dental caries, Dizziness, Dyslexia, Dyspraxia, Eczema, Electro-hypersensitivity, Epilepsy, Eye irritation, Eye strain, Fatigue Headaches, Hyperactivity, Irritability, Learning difficulties, Lupus, Reduced muscle strength, MS, Nausea, Photosensitivity,
Xeroderma, pigmentosum


References:

Brown, S. ( November 8, 2006). Marilyne Andersen speaks about utilizing natural light. MIT Tech Talk , 3.

H.E.S.E Project. (2012). Artificial Light in the Environment: Human Health Effects. Retrieved March 2012, from The H.E.S.E. Project: http://www.hese-project.org/hese-uk/en/issues/cfl.php

F. Hollwich and B. Dieckhues (1980), ‘The Effect of Natural and Artificial Light Via the Eye on the Hormonal and Metabolic Balance of Animal and Man’, Opthalmologia 180, No.4, pp. 188-197

J.N. Ott (1973), Health and Light: The Extraordinary Study That Shows How Light Affects Your Health And Emotional Well-being, Ariel Press, USA, ISBN 0-89804-098-1.

Laurence D. Martel, P. (n.d.). LIGHT: AN ELEMENT IN THE ERGONOMICS OF LEARNING. Retrieved March 2012, from Full Spectrum Solutions: http://www.fullspectrumsolutions.com/lighting_for_schools.shtml

Lytle CD, Cyr WH, Beer JZ, Miller SA, James RH, Landry RJ, et al. An estimation of squamous cell carcinoma risk from ultraviolet radiation emitted by fluorescent lamps. Photodermatol Photoimmunol Photomed 1992/1993; 9:268-274.

Ott, D. J. (1986, January/February). Dr. John Ott: The Light Side of Health. Retrieved March 2012, from Mother Earth News: The Original Guide to Living Wisely: http://www.motherearthnews.com/nature-community/john-ott-zm0z86zhun.aspx?page=5

S.L. Gabby (1961), Observations on the effects of artificial light on the health and development of mice, cited by J.N. Ott (1982), How to Stay Healthy, Devin-Adair (1982), ISBN 0-8159-61 21-9.
Wunsch, D. A. (2006). Artificial Lighting and Health . Journal of Optometric Phototherapy , 1-5.

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