KIDS who sleep with the light on could risk leukaemia, parents were
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6 O+ N# Y0 p5 {4 v3 l8 D& k公仔箱論壇Scientists have found the body needs darkness to produce a chemical4 a) m4 @/ s# X
that fights cancer.
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Even switching the light on for the toilet, staying up late, travelling L, G3 O4 d( n+ h
across time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb% `% R- v" S) K- X
melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absence
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# c1 p, B9 k" UUniversity Prof Russell Reiter, who led the research, said: 'Once you
' j X1 t% {' P: v: lwww2.tvboxnow.comgo 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 melatonin# f y2 _2 F$ d' Y" Y- E+ i
levels drop.'公仔箱論壇: m6 H( W+ ?- a5 O4 Y2 b
) H7 ^( s. @4 m, t# Ytvb now,tvbnow,bttvbRates of childhood leukaemia have doubled in the past 40 years.
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0 d0 x2 E1 s, q" W+ b+ i. FTVBNOW 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) Y5 |2 g. f" Q) i1 V, e) Q
heard that people were being subjected to more light at night than
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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。7 s, A _+ J" ?* N6 R% U" g
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Past research has shown those most affected, like shift workers, had
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Blind people, who are not vulnerable to fluctuations of melatonin, have公仔箱論壇$ v7 y2 U& c# Z ?5 x
lower rates of cancer, it was found.* _. z7 L7 n% O* w# O0 J
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Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.. G- p! i" L. I) H! T; L5 _
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發表於 2008-8-1 11:02 AM
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