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What is Electrosensitivity?



EHS is defined by the World Health Organization as: “…a phenomenon where individuals experience adverse health effects while in the vicinity of devices emanating electric, magnetic, or electromagnetic fields.”

In Sweden, it is classified as a disability and health care facilities with low levels of exposure to electromagnetic fields and radiofrequency radiation are available. The Canadian Human Rights Commission report also acknowledges environmental sensitivity attributed to electromagnetic exposure. (28) Researchers estimate that approximately 3% of the population has severe symptoms of EHS, and another 35% of the population has moderate symptoms such as an impaired immune system and chronic illness (Havas, 2007).

Having Electromagnetic Field Sensitivity means experiencing recurring stress or illness when near active EMF sources or emitters of EMR. Symptoms normally diminish with distance from these sources but typically require considerable time to vanish after exposure. The World Health Organization identifies this collection of symptoms and triggers as Electrohypersensitivity, often referred to as Electrosensitivity. It is not recognized as a medical diagnosis. However, it is accepted as a functional impairment in Sweden and the Canadian Human Rights Commission recognizes it as an environmental sensitivity and classifies it as a disability.

Four Stages

  1. Mild combinations of some of the common symptoms - typically headaches, concentration & memory problems - while working with electronic equipment.
  2. Longer lasting symptoms after working with electronic equipment. Similar reactions in the vicinity of transmission towers and relay antennae. Symptoms often require medical care.
  3. Inability to work full-time; frequent sick leaves taken to cope with symptoms.
  4. Acute adverse reactions from electromagnetic pollution, both in outdoor and indoor environments. Results in unemployment and severe curtailment of freedom. Requires expensive reengineering of home environment or relocation to spartan, EMF/EMR-free rural or wilderness areas.


The biological effects from exposure to EMF/EMR include both adverse health effects and loss of homeostasis and well-being. Symptoms vary from patient to patient depending on their physical biology and exposure intensity and duration. Symptoms quickly improve when away from EMF/EMR sources, particularly when the patient moves away from computers, fluorescent lighting, transformers, wireless antenna, cell and cordless phones, appliances and out of proximity to cell phone towers, electrical substations and power lines. All these are potential sources of higher than normal EMF/EMR exposure. Symptoms recur on returning to the irradiated environment. Over time, sensitivity is increased to smaller and smaller EMF/EMR exposures. (Sage, 2001)

Symptoms of Electro Hypersensitivity

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Wendy Walks for Electrosensitivity


Wendy Walks 4 Electrosensitivity

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Wendy Hoy, lives in Port Franks, Ontario and she has decided to walk to Ottawa to raise awareness about ES (Electrosensitivity). The distance for this walk is almost 800 km. Wendy has been working tirelessly since March 2012 to bring this lesser known but growing issue to the attention of the decision makers within our government and beyond.

Port Franks is the hamlet in the Municipality of Lambton Shores where the Municipality voted against a proposed cell tower/antenna installation and is investigating the feasibility of establishing a white/beige-zone.

Wendy's long walk to Ottawa commenced on September 20, 2012 from Port Franks. Citizens 4 Safe Technology fully supports Wendy's efforts and is accepting donations on her behalf.  With the help of C4ST, we are hoping to maximize the impact of Wendy’s feat.

We ask that you consider either pledging an amount per kilometre travelled or making a donation in advance of this incredible journey.

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Letter to Ginette Petitpas Taylor

Click to download the pdf version The Honourable Ginette Petitpas Taylor, M.P. Minister of Health Brooke Claxton Building, Tunney’s Pasture Ottawa, Ontario K1A 0K9 Via email: September 21, 2017   Dear Minister Petitpas Taylor, On behalf of the volunteers of Canadians for Safe Technology (C4ST), I would like to extend our congratulations on […]
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Council hears wireless health concerns

Maple Ridge should follow Toronto and pass a Prudent Avoidance Policy regarding cellphone towers in the district, a Canadians for Safe Technology speaker told council last week. “We are requesting this review,” Ron McNutt said at council’s committee meeting. The policy calls for the city to review radio frequency levels when companies are installing cell towers and requests that cellphone companies keep emissions from those towers at one per cent of the levels set by Industry Canada’s Safety Code 6, which guides public exposure.
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