Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Electromagnetic Fields

Electric and magnetic fields (EMFs), also called radiation, are areas of energy that surround electrical devices. Everyday sources of EMFs include:

  • Power lines
  • Electrical wiring
  • Microwave ovens
  • Computers
  • Cell phones

Some people worry about EMF exposure and cancer. Some studies have found a link between EMF exposure and a higher risk of childhood leukemia, but other studies have not. Other studies have not found proof that EMF exposure causes other childhood cancers. Studies in adults did not prove that EMF exposure causes cancer.

(Read more)

Results 1 - 10 of 11 for EMF
  1. Electromagnetic Fields (National Library of Medicine)  
    Electric and magnetic fields (EMFs), also called radiation, are areas of energy that surround electrical devices. Everyday sources of EMFs include: Power lines Electrical wiring ...
  2. What Are Electric and Magnetic Fields? (EMF) From the National Institutes of Health (National Institute of Environmental Health Sciences)  
    Electromagnetic Fields/Children ... Electromagnetic Fields ... National Institute of Environmental Health Sciences ... From the National Institutes of Health
  3. Electric and Magnetic Fields From the National Institutes of Health (National Institute of Environmental Health Sciences)  
    Electric and magnetic fields (EMFs) are invisible areas of energy, often called radiation, that are associated with the use of electrical power and various forms ...
  4. Electromagnetic Fields and Cancer From the National Institutes of Health (National Cancer Institute)  
    Brain Tumors/Related Issues ... Brain Tumors ... Acute Lymphocytic Leukemia/Related Issues ... Acute Lymphocytic Leukemia ... Leukemia/Related Issues ... Leukemia ... Childhood Leukemia/ ...
  5. Electromagnetic Fields/Specifics ... Electromagnetic Fields ... World Health Organization ... WHO fact sheet on Electromagnetic fields and public health: mobile phones ...
  6. Cell Phone Radio Frequency Radiation From the National Institutes of Health (National Institute of Environmental Health Sciences)  
    Environmental Health/Statistics and Research ... Environmental Health ... The National Toxicology Program, headquartered at NIEHS, conducted studies to help us ...
  7. Hepatitis C and Dietary Supplements From the National Institutes of Health (National Center for Complementary and Integrative Health)  
    This fact sheet provides information on the effectiveness and risks of dietary supplements like milk thistle (silymarin) for hepatitis C, plus resources ...
  8. Cell Phone Towers (American Cancer Society)  
    Electromagnetic Fields/Specifics ... Electromagnetic Fields ... Some people have expressed concern that living, working, or going to school near a cell phone tower ...
  9. River and Stream Pollution From the National Institutes of Health (National Institute of Environmental Health Sciences)  
    Water Pollution/Children ... Water Pollution ... National Institute of Environmental Health Sciences ... From the National Institutes of Health
  10. Do Cell Phones Pose a Health Hazard? (Food and Drug Administration)  
    Electromagnetic Fields/Specifics ... Electromagnetic Fields ... Food and Drug Administration ... The weight of scientific evidence has not linked exposure to radio frequency ...