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Are mobile phones good or bad? This case study talks about whether or not mobile phones are good or bad. Over many years scientists have not got a certain answer for whether they are the cause for brain tumour and particular types of cancer. My case shows both sides of the argument to try and come to and overall conclusion on mobile phone. This study first investigates the scientific theory behind the effects of mobile phones then goes on to show the evidence for these theories and to back up my point of view; then the conclusion showing and summing up my overall verdict on the question; and finally the bibliography showing all the places where I got my information. In 1876 Alexander graham Bell invented the telephone, it revolutionised the world as people knew it. Then in later years other phone related inventions came about such as: in 1880 the first radio...

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