Are mobile phones health hazards?. How do mobile phones work? They use: a) Microwaves b) Magnetic fields.

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<ul><li><p>Are mobile phones health hazards?</p></li><li><p>How do mobile phones work?</p><p>They use: a) Microwaves</p><p> b) Magnetic fields</p></li><li><p>Microwaves</p><p>Are high frequency radio waves</p><p>Lie between infrared and conventional radio waves</p><p>Range in wave length from about 1 mm to 30 cm </p></li><li><p>How can they harm us?</p><p>Microwaves cause heating</p><p>This in turn can cause cellular damage</p></li><li><p>Magnetic fields</p><p>Arise from surges of electricity from the battery</p><p>These are of low frequency</p></li><li><p>How can they harm us?</p><p>Known to cause cellular mutation</p><p>Possibly blood cancer (Leukaemia)</p></li><li><p>What illnesses might be linked with mobile phones?</p><p>HeadachesSleep disruptionImpairment of short term memoryInfertilityBrain tumours</p></li><li><p>Headaches</p><p>An increase in permeability of the blood brain barrier</p><p>Effects the transmitter in the brain. Eg. Dopamine</p><p>Both are medically connected to headaches</p></li><li><p>Sleep Disruption</p><p>Changes in Rapid Eye Movement (REM) sleep</p><p>Change in melatonin levels</p></li><li><p>Short term memory loss</p><p>Microwave radiation to the head can target the hippocampus.</p><p>Responsible for impairment of short term memory</p></li><li><p>InfertilityTesticular temperature is 2 degrees below normal body temperature.</p><p>Microwaves cause rise in temperature.</p><p>Phones in trouser pockets can cause testicular temperature to rise.</p><p>This interferes with sperm production</p></li><li><p>Brain Tumours</p><p>Mobile phone users show a factorial increase of 2 to 3 in incidence of a rare tumour : according to a small study</p><p>This occurs on the side of the brain nearest to the phone</p></li><li><p>Opinion 1</p><p>Those using their mobile phone on the right side of their head, the risk of getting a tumour increased by two and a half times on that respective side.</p><p> -The view of a former BT engineer </p></li><li><p>Opinion 2..could be something more here than what meets the eye. The science .today. suggests that there could be a problem that needs to be looked at very carefully. - Dr. Carlo commenting on a rare tumour found in mobile phone users</p></li><li><p>Opinion 3</p><p>..until we have a definite conclusion, and results of much larger studies, we need to minimise exposure to human beings.</p><p> - View of Dr. Lennart Hardell (Sweden)</p></li><li><p>Experiments</p><p>These harmful effects have been shown in labs and experiments on cells/animals.</p><p>The exposure levels were much higher</p></li><li><p>In Humans:</p><p>So far no clinical evidence exists to prove that mobile phones are harmful</p><p> - Bandolier 2001</p></li><li><p> Hence long term studies with larger population groups are needed for accurate proof of safety</p></li><li><p>Conclusion</p><p>So far no evidence exists of harm in humansUntil larger studies are conducted best, to use it sparingly.</p></li><li><p>Evidence does exist that:Talking and driving dont go together !</p></li></ul>


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