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。# {) J$ e/ `3 N' M: y/ m2 A
warned yesterday.
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" k" r0 h2 L! ?2 A2 j" {. w公仔箱論壇Scientists have found the body needs darkness to produce a chemicaltvb now,tvbnow,bttvb) w& P/ N/ \& Z' p/ N
that fights cancer.
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Even switching the light on for the toilet, staying up late, travelling公仔箱論壇6 d4 u% C& Y6 }0 p
across time zones, or the light from street lamps can stop enough
) X* D# f0 s i# W) L, ^8 i. Xwww3.tvboxnow.com melatonin being made, they say.
( Z3 }. }+ `3 ~tvb now,tvbnow,bttvb* U+ a& f8 V q* u0 Q3 T$ q
The body needs the chemical to prevent damage to DNA and its absencewww3.tvboxnow.com [9 B# g% A k1 i2 x! y, A6 ?
stops fatty acids reaching tumours and preventing them growing. Texas
' D+ X( r4 k) EUniversity Prof Russell Reiter, who led the research, said: 'Once you公仔箱論壇1 q1 ]1 v3 A( ~0 C& [
go to bed you should not even switch the light on for a minute.www3.tvboxnow.com+ [- p$ }" T8 n6 [, I
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'Your brain immediately recognises the light as day and melatonin
! _+ @' Q4 ]) D2 itvb now,tvbnow,bttvblevels drop.'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。: I- y/ X0 C/ X- P: b) M
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Rates of childhood leukaemia have doubled in the past 40 years.
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About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterdayTVBNOW 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( S2 F5 |) i) C8 `
heard that people were being subjected to more light at night than
- I$ t% r) I$ H! ytvb now,tvbnow,bttvbever..
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This suppressed the production of melatonin which normally happens between 9pm and 8am.www3.tvboxnow.com# G v7 y: A' c7 r. a1 y' I
' c+ ^6 l9 {$ rwww3.tvboxnow.comPast research has shown those most affected, like shift workers, had
0 B% d' m1 {/ G/ C3 D: R5 Ptvb now,tvbnow,bttvbhigher levels of breast cancer.
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) K/ S0 J, ?1 C) D/ SBlind people, who are not vulnerable to fluctuations of melatonin, have9 y+ _8 Q4 M" b5 H0 l% d/ t
lower rates of cancer, it was found.tvb now,tvbnow,bttvb8 _, q0 z( `$ @+ t
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Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.& y, ]/ P; }! b! ^7 l- V
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發表於 2008-8-1 11:02 AM
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