Health risks due to exposure to electromagnetic fields EMF’s in the home were first suggested in America by Wertheimer and Leeper, when they estimated the levels people were exposed to, using ‘wire codes’, and the local incidence of childhood leukaemia. Since that time, international research has increased year by year, and the potential health risks have been identified as cancer (especially childhood leukaemia, probably the most studied illness because of the original findings), depression, suicide, miscarriage, some forms of dementia, respiratory and immune system problems.
  Because there are other causes of these illnesses, it is not clear what role EMF’s play in their development. Much of the research in the past 35 years into EMF health effects has concentrated on magnetic fields because they are easier to measure and it was thought they were more likely to interact with our bodies’ cells. Most scientists believe that, although EMF’s do not directly cause the illness in most cases, at least, living in fields above 200 nT (nano Tesla) may make a person develop the cancer or other illness, when if they didn't live in this field level, their bodies would be able to repair themselves, or cope with the daily damage from other causes in a healthier way. Some field levels stop prescribed drugs like tamoxifen from working.
Electric fields are increasingly being studied and the initial findings seem to indicate that they may be as hazardous to health as the magnetic fields. The very high electric fields associated with high voltage overhead power lines also cause air ionization, charging toxic aerosols so that they become even more dangerous. Initial findings associate lung and skin cancer with exposure to such ionization.
There is evidence that when both magnetic and electric fields are high there may be an even greater risk of ill health. Important areas to be aware of are bedrooms, especially where pillows are on beds, because EMF’s affect an area of the brain, called the pineal gland, which works to protect the body against illness overnight. It is also a good idea to look at places like a favourite armchair, or in front of a computer or TV. It is important that places like these where you are sitting or lying still for a longish period of time should have low EMF’s; cells tend to cope better with external fields if the person is moving around. When you are sitting still and particular cells keep being interfered with by EMF’s, there is an increased risk that the damage may become unrepairable.
Children are more likely to be affected than adults because their cells are more rapidly dividing as they grow. Most children sleep for longer than adults. If their bed place is in high EMF’s their health may be affected. It is worthwhile taking particular precautionary action with regard to children’s living environments.
Pets can also be susceptible to EMF’s in the environment. They are, by and large, short lived, but there is enough evidence of e.g. dogs sleeping next to night storage heaters developing cancer so it is also worth while making adjustments for them.
However, not everybody is susceptible to adverse health effects from EMF’s. if for example, a child statistically has a 1 in a 2000 chance of developing leukaemia, and because they live near an EMF source associated with an increased risk of developing this form of cancer their risk level doubles (i.e. changes to I in 1000), there are still 999 chances out of 1000 they will not develop leukaemia whilst living in this field. It is an increased risk, but far from a certainty.

Professor Ross Adey Research of the Bio-Effects of Living in Both High EMF’s and Pulsed Microwave Signals:

1. The effects on immune system; reduction of white blood cells to kill tumour cells.
2. Effects on fetal development and psycho sexual development.
3. Higher instance of miscarriage.
4. Accelerates growth in existing cancer cells.
5. Effects central nervous system and the brain in the ways which effect powerful hormonal mechanisms.

Stress sensitive hormones such as prolactin and thyroxide have been found to be elevated in people at work in high electromagnetic environments.  Prolactin plays a key role in moderating parts of the neuro-immune system and may also be an important precipitator of auto immune diseases.

Powerwatch UK recommend that domestic dwellings, especially sleeping places should have an electric field lower than 10 V/m (volts per meter) and an AC pulsed magnetic field below 100 nT (nano Tesla).

The human body is network of communications systems. Research by scientists such as Ross Adey in the USA and Dr Cyril Smith here in Britain is moving the frontier of our understanding. Messages pass between the brain, nerves and organs and even from cell to cell by electro- magnetic signalling. When this is interfered with by outside EMF’s problems begin to emerge, as the systems that control and regulate our bodies are impaired.

Professor Dr. Hubank of Vienna:
Speaking at a conference in England paid tribute to a group of Austrian researches composed of medical doctors, physicists and biochemists. In the course of several years research using classical medical methods they investigated about 1000 people for the effects of these geopathic interference zones. They found that the altered electrical and magnetic field above a geographical distressed zone changed the electrical impulses passing along the nerves of the body. This wrong or confused information resulted in the dysfunction of individual organs and also explained the high number of diseases. They proved a weakening in the immune system, which interacts with the wrongly programmed nervous system in persons who had been exposed. Confirmation of these experiments continue to appear and links have been, formed with the onset of cancer, Alzheimer's Disease, Chronic Fatigue Syndrome, Miscarriages, Multiple Sclerosis (MS) and other diseases of the central nervous system.