KIDS who sleep with the light on could risk leukaemia, parents were5.39.217.77:8898' s) x' o# \" e# N; X
warned yesterday.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。' r$ I- E. p- ^3 K8 B
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Scientists have found the body needs darkness to produce a chemical
9 g* l( S; g' U# @& S1 Uthat fights cancer.! w) |8 f( G, g2 s% h0 w7 t& o0 N
' G0 h3 B' G+ D! U& y- M# _# v; Q: W公仔箱論壇Even switching the light on for the toilet, staying up late, travelling5.39.217.77:8898! Y" Y5 _" o C0 E; H
across time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb' S2 d; Q# |% c7 Z
melatonin being made, they say.
8 e0 Z0 ?, P- r; O$ W; Z0 U公仔箱論壇
2 q" V" _! X% e5.39.217.77:8898The body needs the chemical to prevent damage to DNA and its absence
; w8 k. O: i$ M& ?- M5.39.217.77:8898stops fatty acids reaching tumours and preventing them growing. TexasTVBNOW 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。$ x9 r8 `# T$ T- N% v+ c: D
University Prof Russell Reiter, who led the research, said: 'Once youtvb now,tvbnow,bttvb! p# \/ |+ H8 \+ }
go to bed you should not even switch the light on for a minute.5.39.217.77:8898: Q; H$ P+ ~- ]0 A( }3 e {% R
, r% z) C9 v4 v0 \2 z$ {+ mTVBNOW 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。'Your brain immediately recognises the light as day and melatonin
' M/ |3 }% c! K4 y; V5.39.217.77:8898levels drop.'
5 |% S! Z$ d7 C& ^& z- L5.39.217.77:8898
0 h2 D4 V! r1 ]+ p+ y! O9 @Rates of childhood leukaemia have doubled in the past 40 years.
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7 ^2 W' _( X5 h+ F p# h/ w6 aTVBNOW 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。About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday" _. z6 j: Z2 E, e$ s/ ~, V. [
heard that people were being subjected to more light at night than9 i$ y! ~ }) v# u3 A4 X7 t
ever..
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9 H" m" R, B1 ~5 [This suppressed the production of melatonin which normally happens between 9pm and 8am.5.39.217.77:88983 m: z! L8 m- _8 A& B6 z2 o
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Past research has shown those most affected, like shift workers, hadtvb now,tvbnow,bttvb8 T: Z) A' n7 C) R
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have5.39.217.77:8898( S6 c3 a9 a( O
lower rates of cancer, it was found.tvb now,tvbnow,bttvb. ]1 p7 f1 H5 y5 z7 L
: _) l0 _9 y x3 Y0 NParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.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。* Q: i: q% |/ S: A8 a5 V, Y
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發表於 2008-8-1 11:02 AM
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