KIDS who sleep with the light on could risk leukaemia, parents weretvb now,tvbnow,bttvb( Y: Y" ]) ?; c4 ? k! t
warned yesterday.2 K; N2 X+ Z+ Q3 }: W* f9 W. |$ c
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Scientists have found the body needs darkness to produce a chemical
* s' {" k8 a. x, ~www2.tvboxnow.comthat fights cancer.公仔箱論壇/ Q) Y0 D4 d, \; ^# c: r
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Even switching the light on for the toilet, staying up late, travelling
# |3 j% e8 u) s! c) M' Fwww2.tvboxnow.comacross time zones, or the light from street lamps can stop enough
) N! f* f- e* W0 b5 `' wtvb now,tvbnow,bttvb melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absenceTVBNOW 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。4 N5 U# }. W3 |- Z6 k3 @1 v
stops fatty acids reaching tumours and preventing them growing. Texas
7 d$ I' K; Y9 g8 s& |7 g. Stvb now,tvbnow,bttvbUniversity Prof Russell Reiter, who led the research, said: 'Once you8 n( b( l' _+ q
go 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 melatonin8 ]/ N. C4 x1 ^3 H( C* D% {. c" N9 G
levels drop.'www2.tvboxnow.com9 q4 i& V3 [7 u3 `
# r9 {9 I* q( b5 Q/ e- z6 \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。Rates of childhood leukaemia have doubled in the past 40 years.公仔箱論壇& D, o& U u" c$ m7 j& O/ h
( \% }2 P0 M: T5 R2 }tvb now,tvbnow,bttvbAbout 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
2 c% _9 a+ U' m2 @( ?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。heard that people were being subjected to more light at night than
5 M* m0 l) m9 X1 L7 T, L# E0 OTVBNOW 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。ever..公仔箱論壇6 A+ |' U, S3 v
7 ~9 A8 J7 {7 WThis suppressed the production of melatonin which normally happens between 9pm and 8am.
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Past research has shown those most affected, like shift workers, had
) A$ x( G8 @7 ?. j# zTVBNOW 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。higher levels of breast cancer.
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+ ~/ r& b: a% Twww2.tvboxnow.comBlind people, who are not vulnerable to fluctuations of melatonin, have
3 h5 N$ p7 D4 m, N/ T& olower rates of cancer, it was found.
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Parents 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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