Electromagnetic fields

Content

Introduction

Introduction

Electromagnetic fields are generated by time-varying electrical charge distributions and propagate in space in the form of waves (electromagnetic radiation).

Electromagnetic radiation can be of natural origin such as solar radiation, consisting of visible (light), infrared and ultraviolet radiation, or of artificial origin, such as radio frequency electromagnetic radiation emitted by radio and television antennas, cell phones and Wi-Fi, or as the low frequency electric and magnetic fields generated by high voltage power lines for the transport of electricity or even by household appliances.

The media often use the term "electrosmog" to indicate the presence in the living environments of the population of low frequency electric and magnetic fields and radio frequency electromagnetic radiation of artificial origin by analogy with the term "smog", derived from the composition of two terms, smoke (smoke) and fog (fog), used to indicate "atmospheric pollution due to exhaust fumes in metropolitan areas. The term" electrosmog "is in fact used as a synonym for" electromagnetic pollution ", another term that implicitly associates environmental exposures to low frequency and radiofrequency electromagnetic fields with adverse health effects.

In fact, despite the fact that there is growing concern about the effects that exposure to these radiations can have on public health, the numerous studies carried out to date have shown health effects on people only for very high levels of exposure to electromagnetic fields. , not found in the living environments of the population, capable of inducing significant temperature increases in the human body, while no effects have been demonstrated to date for exposure levels normally associated with the daily use of devices that emit electromagnetic fields.

On the contrary, the electromagnetic radiation coming from the sun, and in particular its ultraviolet component, is an established risk factor for various pathologies, including a serious malignant skin tumor such as melanoma, which is why the "International Research Agency on Cancer (IARC) has classified ultraviolet radiation, solar and artificial, as "carcinogenic to humans" (Group 1) but concerns about it seem less widespread in the population than those relating to the so-called "electro smog".

In conclusion, the terms "electro smog" and "electromagnetic pollution" are misleading and it would be preferable not to use them. However, the scientific community agrees that further studies are needed regarding the possible risks associated with environmental exposures to low frequency magnetic fields and radio frequency electromagnetic fields.

In-depth link

In-depth link

World Health Organization (WHO). Electromagnetic fields (EMF) (English)

Higher Institute of Health (ISS). Health and electromagnetic fields

Ministry of Health. Cell phones and health

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