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Results 1 - 10 of 207 for rays
  1. X-Rays (National Library of Medicine)  
    X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates pictures of the inside of your body. The images show the parts of your body ...
  2. Radiation Emergencies (National Library of Medicine)  
    Radiation is a type of energy. People are exposed to small amounts of radiation every day from sources such as sunlight. A radiation emergency would involve larger amounts of radiation and ...
  3. Radiation Exposure (National Library of Medicine)  
    What is radiation? Radiation is energy. It travels in the form of energy waves or high-speed particles. Radiation can occur naturally or be man-made. There ...
  4. Radiation Therapy (National Library of Medicine)  
    Radiation therapy is a cancer treatment. It uses high doses of radiation to kill cancer cells and stop them from ... half of all cancer patients receive it. The radiation may be external, from special machines, or internal, ...
  5. Sun Exposure (National Library of Medicine)  
    Ultraviolet (UV) rays are an invisible form of radiation. They can pass through your skin and damage your skin cells. Sunburns ... t healthy, either. They appear after the sun's rays have already killed some cells and damaged others. ...
  6. Mammography (National Library of Medicine)  
    ... is a mammogram? A mammogram is an x-ray picture of the breast. Health care providers use ... it is there. It also exposes you to radiation. You should talk to your provider about the ...
  7. Tuberculosis (National Library of Medicine)  
    ... samples of your sputum and having chest x-rays. Tests for TB disease in other parts of ...
  8. Burns (National Library of Medicine)  
    ... tissues caused by heat, chemicals, electricity, sunlight, or radiation. Scalds from hot liquids and steam, building fires ...
  9. Tanning (National Library of Medicine)  
    ... healthy at all. It exposes you to harmful rays and puts you at risk for health problems ... melanoma and other skin cancers. What are UV rays, and how do they affect the skin? Sunlight ...
  10. Heart Health Tests (National Library of Medicine)  
    ... to your heart. Then your doctor takes x-rays of your heart. The dye allows your doctor to see your coronary arteries on the x-ray, and to check for coronary artery disease (plaque ...
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