KIDS who sleep with the light on could risk leukaemia, parents were
/ p* Y) u0 U- Y; ]6 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。warned yesterday.
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Scientists have found the body needs darkness to produce a chemical5.39.217.763 d4 }8 S! u( k! `( E
that fights cancer.
+ b$ }! \7 e C5 q5.39.217.76公仔箱論壇& y0 `% p% A: _; f: [, \
Even switching the light on for the toilet, staying up late, travelling
% t; N2 J6 s9 f$ i! k公仔箱論壇across time zones, or the light from street lamps can stop enough
( r0 F2 J* ?( w( W6 ?- D melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absence9 ~; W- Y% S# ~% M
stops fatty acids reaching tumours and preventing them growing. Texas
6 B0 W# Z& F! ~, i公仔箱論壇University Prof Russell Reiter, who led the research, said: 'Once you
2 O' `' y5 G, L0 tgo to bed you should not even switch the light on for a minute.公仔箱論壇 F. V+ S6 P0 g) A2 S1 c; T) ~
1 S; m0 x$ E5 M$ N9 r'Your brain immediately recognises the light as day and melatonin5.39.217.765 h* L- l- j7 ]4 t' O# v9 @1 m) t& ?
levels drop.'
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9 m) z, n: G* atvb now,tvbnow,bttvbRates of childhood leukaemia have doubled in the past 40 years.
# b! H* y1 k4 e: r+ Ytvb now,tvbnow,bttvb 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。 k, R3 a( x: f9 e3 e' p$ Q
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
3 }7 E2 V% y2 ?5 \! O* @+ t2 Ztvb now,tvbnow,bttvbheard that people were being subjected to more light at night than. `5 T6 J0 t+ x: M) s, _
ever..
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5 H# f8 T! s4 q" j) u' ]This suppressed the production of melatonin which normally happens between 9pm and 8am.
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2 F1 L( t6 u. F5.39.217.76Past research has shown those most affected, like shift workers, had$ C# D2 m0 ` }) y1 Y7 }9 }
higher levels of breast cancer.
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( a7 ]$ g* J% u! D$ o. rtvb now,tvbnow,bttvbBlind people, who are not vulnerable to fluctuations of melatonin, have
/ E7 _* [+ C2 V( S+ g7 Klower rates of cancer, it was found.
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7 X7 \ Y0 ]( w; \6 D$ pParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.
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發表於 2008-8-1 11:02 AM
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