Friday, 15 February 2013

[DD]SAR and its significance

Cellphones?-Think before you USE?, no even before You BUY!!
  • Radiations from your mobile phones, cell phone towers are hazardous to health - We have heard several studies speaking about these ill effects, while there are also other people of the opinion, there is not enough scientific proof of harmful effects of cell phones. what can we really do now?
    • Prevention is better than cure - is the stand of most governments. In India, a committee was appointed to look into the effects of radiation from mobile handsets, cellphone towers.
    • The study says:
      • The electromagnetic frequency radiations from mobile handsets are non ionizing radiations[not like X- rays], which are low in power hence cannot break the chemical bonds in our DNA, hence not harmful.
      • However some thermal effects, heating of blood vessels of brain[continuous mobile usage], and some non thermal effects due to the low frequency level of waves like lack of concentration, disturbed sleep, memory loss etc., are said to happen.
      • Also the mobile towers in a area are said to affect the environment - effects on insects, butterflies, sudden disappearance of sparrows, and some other effects like loss of navigation ability of birds are said to be direct effects of electromagnetic waves and mushrooming cellphone towers.
      • All these have learn coining of new term - Electro-Pollution. Though nothing said above has convincing scientific evidence none of the effects can be out-rightly rejected is the committee's stance.
      • So after all deliberations still the results are inconclusive, so are our answers to the question asked in the beginning.
      • But the committee came up with a course of action to follow. 

  • Now the essential matter for us what it recommends as a solution:
      • All Mobile handsets manufactured in/imported into, India hereafter to have SAR [Specific absorption rate] value =1.6 W/kg [2w/kg now] taken over 1g mass of human body on continuous exposure to 6 minutes.
      • SAR value is the amount of radiation your body absorbs when your are speaking over your phone keeping it close to your ears. so lower this value it is good for health. This 1.6W/kg taken from US safety standards.
      • And as of now if you want to know the current SAR value of your handset you have to goto the website of the concerned manufacturer, hereafter it has to be printed on the box of the handset like its IMEI number.
      • so low quality products having high SAR value = banned.
      • Also suggested other measures like- online monitoring of radiation levels in cities,public education programmes, common database for  SAR values, information out in public domain, regulation in installation of new mobile towers like not locating them  in residential areas etc.,

  • And as a responsible person of your health you, before any purchase/use:
      • Look for SAR value, ensure the standard.
      • Donot speak long hours continuously.
      • Maximum use bluetooth headsets.
      • Before speaking ensure proper network availability, because low tower=phone emits stronger radiations to catch network.
      • And walk while you talk= not a great idea sirji.
      • Have any organ implants like pacemaker avoid mobile phones near the implant.

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