Za a iya ba da launi na radiation ba ciwon daji? Amsar a takaice ita ce a'a. Bisa ga Ma'aikatar Kiwon Lafiya ta Amurka da Ayyukan Dan-Adam, ciwon ciwon kanji ya haifar da kwayoyi kimanin 1,000 millisieverts (mSv). Bayani zuwa kasa da 200 mSv zai iya haifar da cutar sankarar bargo da ciwon daji na thyroid, nono, da huhu. Kuma cutar ciwon huhu zai iya haifuwa ta hanyar daukan hotuna a kasa da miliyon 100 na radiation.
Basics
Don haka, menene hekken shine "millisievert" kuma ta yaya za ku ci gaba da raguwa 100, 200, ko 1,000 daga cikinsu? A millisievert shine kimiyyar kimiyya na auna don yaduwar radiation. Tun da sassa daban-daban na jiki suna da digiri daban-daban na farfadowa zuwa radiation, ana nuna cewa ana nunawa a matsayin "tasiri." Alal misali, bari mu ce Organ X da kuma Organ Y suna da ficewa zuwa 10 mSv na radiation. Duk da haka, Organ Y yana sau biyu. Dalili na ainihin zai zama 10 mSv ga kowane kwaya, amma kashi mai mahimmanci zai zama 10 mSv ga Organ X da 20 mSv don Organ Y.
Bad News
Labarin mummunan shine cewa kimanin kashi 80 cikin dari na yaduwar rayukanmu ta fito ne daga asalin halitta, wanda ba a iya samuwa. Yawancin Amurka na karɓar kashi mai kyau na kimanin 3 mSv na radiation a kowace shekara daga radon, duwatsu, sararin samaniya, ƙasa, kayan lantarki, da tafiya ta jirgin sama. (Kafin ka yi rantsuwa da jiragen sama, ka tuna cewa kana da kimanin 1 mSv na daukan hotuna na tsawon sa'o'i 200 na lokacin jirgin.)
Bishara
Labari mai dadi shine cewa yana daukan yaduwar radiation don samun matakan da ke haifar da ciwon daji . Da zarar ka san lambobi, zaka iya kauce wa ba da gangan ka fallasa kanka zuwa karin samowar radiation ba. Alal misali, idan kun damu da bayyanar radiation, za ku iya so ya sami sakonni (babu radiation exposure) maimakon wani barium enema (kimanin 7 mSv na watsa labarun radiation).
Dalilai masu dacewa don samfurin radiation na yau da kullum sun hada da wadannan:
- Hanyar jirgin sama (0.005 mSv / awa)
- Barium enema (7 mSv)
- X-ray Chest (0.10 mSv)
- CT scan of ciki (10 mSv)
- CT scan na kirji (8 mSv)
- CT scan shugaban (2 mSv)
- Dental X-ray (0.09 mSv)
- Mammogram (0.7 mSv)
- X-ray na kwanyar (0.07 mSv)
- Dukan jiki CT scan (10 mSv)
Sources:
Nordenberg, Tamar. Hoton Lafiya: Abin da ke ciki da ke hada da haskoki X, Sauran Hanyoyi. Cibiyar Abinci da Drug. Fabrairu 1999. 27 Aug. 2006 [http://www.fda.gov/fdac/features/1999/199_xray.html].
Bayanin Radiation a cikin X-ray Examinations. Radiology Info. 27 Aug. 2006 [http://www.radiologyinfo.org/en/safety/index.cfm?pg=sfty_xray].
Raunin Radiation. Merck Manual na Bayanin Lafiya. 1 Fabrairu 2003. 27 Aug. 2006 [http://www.merck.com/mmhe/sec24/ch292/ch292a.html].
Rahoton kan Carcinogens, Edition na 11. Kiwon Lafiya na Jama'a. 27 Aug. 2006 [http://ntp-server.niehs.nih.gov/ntp/roc/toc11.html].
Mene ne Riskewar Risks daga CT? Cibiyar Cibiyar Ayyuka da Lafiya ta Lafiya. 4 May 2005. 27 Aug. 2006 [http://www.fda.gov/cdrh/ct/risks.html].