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Health Effects

We are aware that many people are concerned about the effects of Electro Magnetic Fields (EMF) on our health. The science may be inconclusive at this stage, although guidelines from the World Health Organisation (WHO) are to be cautious.

Professor Denis Henshaw is a world renowned expert in human radiation effects. In email to us in May 2012, he advises:

"You should view the video of my recent presentation at Childhood Cancer 2012 and download the slides, go to:"

"You need to scroll to Day 2 pm (Wed 25th April) and find my video & pp presentation. You should ask all of your community to view this."

"By the way, you will see from my slides (slide 3) that there are now 4 major studies showing increased risk of leukaemia near powerlines, in one case up to 600 m away."

"Also, there is powerful additional evidence for adult leukaemia, adult brain cancer, miscarriage and Alzheimer's disease associated with EMFs."

"One point to emphasise is that National Grid are in denial of adverse health effects apart from the rare childhood leukaemia. The fact is that the evidence for some of these other risks is in fact stronger than that for childhood leukaemia and given that they are more prevalent, are of considerably greater public health significance. This was openly discussed at an EU meeting in Brussels last November."

Slides presentation
Denis L Henshaw
Emeritus Professor of Human Radiation Effects
Atmospheric Chemistry Group
School of Chemistry
University of Bristol
Cantocks Close,
Bristol, BS8 1TS
Video presentation
Scientific Director, CHILDREN with CANCER UK
51 Great Ormond Street
London WC1N 3JQ
Tel: +44 20 7404 0808
Fax: +44 20 7404 3666
Registered Charity Number: 298405
Inaugurated by Diana, Princess of Wales

Links to other information on health effects of EMFs

World Health Organization

A non-profit independent organisation with a central role in the UK Electromagnetic Field and Microwave Radiation health debate.

EMF information from National Grid (note: this information is from National Grid’s own scientists and therefore can not be considered as truly independent of National Grid’s own commercial objectives.)

Selected information from National Grid

NG website for the project

Tower elevations

Development progress on T-pylon (new pylon design)

Planned route corridor (interactive map)

FAQs on this project

Information for landowners and occupiers

Other resources

Save Our Valley resources page