KIDS who sleep with the light on could risk leukaemia, parents were2 p3 {. s6 L: Y$ I4 t! H! k8 K
warned yesterday.
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Scientists have found the body needs darkness to produce a chemical
: |% e& W: M# v5 @8 b2 ?tvb now,tvbnow,bttvbthat fights cancer.www2.tvboxnow.com6 \' X I2 a4 `9 q8 Q% z% j- R* J, B/ N
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Even switching the light on for the toilet, staying up late, travellingTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。* u* \% |$ t* b7 y, Z" `
across time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb# a4 f: M2 ~9 I7 J' o" I/ q" v
melatonin being made, they say.
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# Q v9 |7 B: Y4 ]1 @: ~公仔箱論壇The body needs the chemical to prevent damage to DNA and its absenceTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。, V% I: u) `# @3 T9 z. T
stops fatty acids reaching tumours and preventing them growing. Texaswww2.tvboxnow.com) z$ C$ T3 M, d. Y: A
University Prof Russell Reiter, who led the research, said: 'Once youTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2 P. M4 U/ w+ u2 A& C6 R
go to bed you should not even switch the light on for a minute.
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'Your brain immediately recognises the light as day and melatonintvb now,tvbnow,bttvb5 I$ M8 X$ u. R$ _
levels drop.'
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Rates of childhood leukaemia have doubled in the past 40 years.0 L8 r" e- \; c4 q0 f- c% B
' m+ k( n r, l5 r, ztvb now,tvbnow,bttvbAbout 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterdaywww2.tvboxnow.com$ h' l5 U/ ^% I* N# Y/ T: Z
heard that people were being subjected to more light at night than- G% m; K# |/ Z, F" L
ever..
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9 Y9 u3 `) c0 g9 E- R7 Zwww2.tvboxnow.comThis suppressed the production of melatonin which normally happens between 9pm and 8am.) I- O. U! R: m
公仔箱論壇& S6 b4 c3 t' `* ]! c$ ?
Past research has shown those most affected, like shift workers, had
* H r2 w* I4 ^9 l) e( Ahigher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, haveTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。: G, F' w( |3 D4 S0 E% P, O
lower rates of cancer, it was found.
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5 \5 E9 w$ t! G6 Z+ rParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.
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發表於 2008-8-1 11:02 AM
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