KIDS who sleep with the light on could risk leukaemia, parents were" F' M# v$ \6 w6 m$ V
warned yesterday.
. ^2 }$ {. V$ R# [公仔箱論壇 5.39.217.77:88980 j2 M' a# b- b) u4 x% ]% m2 ^
Scientists have found the body needs darkness to produce a chemical1 |- a& b' Y) e. n7 ]! n) @, B5 d) F
that fights cancer.
. l4 l. g* X0 f) j& \" b6 [8 g. i% C/ `tvb now,tvbnow,bttvb
6 E3 Y7 C: |( H5.39.217.77:8898Even switching the light on for the toilet, staying up late, travelling公仔箱論壇; X' K, ~3 x! b% j! {
across time zones, or the light from street lamps can stop enough5.39.217.77:88988 ~ g" R+ [$ j- v
melatonin being made, they say.
$ j3 i8 L% D. M( ~' V1 U5.39.217.77:8898tvb now,tvbnow,bttvb/ o z' N4 T" D, Q( [! s
The body needs the chemical to prevent damage to DNA and its absence
O( z4 Q& q1 n: h1 l# `1 j( wstops fatty acids reaching tumours and preventing them growing. Texastvb now,tvbnow,bttvb, |% r. U! s a$ Q& e8 S
University Prof Russell Reiter, who led the research, said: 'Once you公仔箱論壇% K( K, w! M& s
go to bed you should not even switch the light on for a minute.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。% V+ F0 i) j5 P- T+ [4 I$ T* c4 G u
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'Your brain immediately recognises the light as day and melatonin
7 e% x( k) r3 p- dlevels drop.'
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! `* Z: O9 y' {( W公仔箱論壇Rates of childhood leukaemia have doubled in the past 40 years.! K. d$ J$ H8 m' E9 t( a4 r7 t
1 e" M/ A, |5 j% L% j$ T; `5.39.217.77:8898About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
; z1 V% B' S+ ~/ Z8 g; D0 {# }tvb now,tvbnow,bttvbheard that people were being subjected to more light at night than
1 z! D4 p+ D* P3 n/ ]' R5.39.217.77:8898ever..5.39.217.77:8898* H9 x4 s; Q. D# R3 n
tvb now,tvbnow,bttvb( m$ V% [, B3 A
This suppressed the production of melatonin which normally happens between 9pm and 8am.% G; F; z) P8 Y. u s
2 n/ k% F/ m" C! ePast research has shown those most affected, like shift workers, hadtvb now,tvbnow,bttvb( ~- F* Q! |8 |) m
higher levels of breast cancer.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。 t m3 y; u8 ~! n' h L7 R6 y& P
5 c. u7 `- Y4 m0 k5.39.217.77:8898Blind people, who are not vulnerable to fluctuations of melatonin, have5.39.217.77:8898, B! A5 G6 y% C
lower rates of cancer, it was found.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。/ W7 y) o; [$ n9 p
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Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.' |4 a7 F# c5 v
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發表於 2008-8-1 11:02 AM
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