Film info
                        Film summary
                        Although radioactive materials are associated with power stations and bombs, we live with radioactive substances all around us. What are they, and do they affect us?
                        
                            
Key facts
                            
                                	- Humans live with background radiation every day.
- Radon gas escapes from Earth and materials in the ground.
- Our bodies contain small amounts of radiation.
- There is radiation from cosmic rays and X-rays.
 
                 
                
                    
    
        Transcript
        	
    Not all radiation comes from nuclear fallout 
You live with background radiation every day from... 
Ground and buildings 
Radioactive radon gas escapes from Earth and materials dug from the ground 
 • Medical procedures 
X-rays are radioactive so you shouldn't have too many over a lifetime 
Cosmic rays 
Radiation from …
    
    
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