KIDS who sleep with the light on could risk leukaemia, parents wereTVBNOW 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。# W7 X$ F2 R0 ^* z$ z" V
warned yesterday.
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' K8 w. D. _) K4 p1 L; ~Scientists have found the body needs darkness to produce a chemical5.39.217.76; h$ l5 ~8 r5 x
that fights cancer.公仔箱論壇5 t' u" W+ Y. q# ]
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Even switching the light on for the toilet, staying up late, travelling
/ H; C) K2 |0 aacross time zones, or the light from street lamps can stop enough/ G9 D6 s+ H( w
melatonin being made, they say.9 F( u: |; A( _/ Z# e
3 i8 U2 {- G& ~" Y$ V uThe 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。0 [9 e* ?3 v! V$ `! \0 O* [
stops fatty acids reaching tumours and preventing them growing. Texas
* o" a1 ]1 m" Y# a& m公仔箱論壇University Prof Russell Reiter, who led the research, said: 'Once you3 j7 i% N4 \5 n: T9 M- r
go to bed you should not even switch the light on for a minute. u: ]% X- P8 `6 O& E+ A! B
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'Your brain immediately recognises the light as day and melatonin
9 h- T, e- o) O+ ]levels drop.'5.39.217.76) d, a2 w* d' ?' y' S
tvb now,tvbnow,bttvb c$ H; M j% k d5 Y8 U: N, y/ U
Rates of childhood leukaemia have doubled in the past 40 years.TVBNOW 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。( z$ e! ]. b J. n. ~
TVBNOW 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。' y* N7 g. ^9 p6 P; I& C3 q* P" F9 o
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
8 A. E! F* S' p2 }* k公仔箱論壇heard that people were being subjected to more light at night than
1 w8 H1 a- c0 F' ?1 k0 E- atvb now,tvbnow,bttvbever..
2 t# A W. G) k/ B+ E* d& x' |8 ` TVBNOW 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。6 C7 P3 [. a+ D! o
This suppressed the production of melatonin which normally happens between 9pm and 8am.TVBNOW 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。# p7 h7 R8 T9 y# A& b' j' W8 w
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Past research has shown those most affected, like shift workers, had' [8 c' o8 F; e! `3 `& b' F
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have
* J( k3 Z3 b1 q. p( e: S1 CTVBNOW 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。lower rates of cancer, it was found.
6 e# W# `7 D. I Q5 q& T* S) i公仔箱論壇. H/ B9 D' r0 M
Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.. e5 a( t3 o( Q: {0 [: [* k$ K
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發表於 2008-8-1 11:02 AM
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