KIDS who sleep with the light on could risk leukaemia, parents were
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Scientists have found the body needs darkness to produce a chemical
; H0 n7 n3 V3 y4 O1 {/ \+ Q# nTVBNOW 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。that fights cancer.
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% M0 |$ t0 X5 N/ v) d# F/ kwww2.tvboxnow.comEven switching the light on for the toilet, staying up late, travelling j( f9 ]8 F1 f: @$ F8 B
across time zones, or the light from street lamps can stop enough
( `- P% A: V f) r/ O m5 Jwww2.tvboxnow.com melatonin being made, they say.公仔箱論壇& \/ r4 `. u; Q# ?2 @
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The body needs the chemical to prevent damage to DNA and its absence& Y2 C. \7 L a/ \4 S; K
stops fatty acids reaching tumours and preventing them growing. Texas
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go to bed you should not even switch the light on for a minute.
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/ ^) c! u% J3 {2 T+ K6 f6 D'Your brain immediately recognises the light as day and melatonin3 ~4 u0 c: R4 f' U2 Q" W
levels drop.') e9 ?' e, ]- ]
2 v3 q; k2 n* ]3 E4 z8 ?2 GTVBNOW 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.
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+ p8 W" ?$ ?- b" T" u& AAbout 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterdaywww2.tvboxnow.com3 g* Y+ p3 p* K0 C+ v' Q9 W
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.tvb now,tvbnow,bttvb: w) O7 d( O+ i- {9 w% M" C1 l3 y
. m1 B, c# H! n; wTVBNOW 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。Past research has shown those most affected, like shift workers, had
7 r" s" F4 r' H. G( u$ awww2.tvboxnow.comhigher levels of breast cancer.
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) S- M+ x) T4 q" Q- KBlind people, who are not vulnerable to fluctuations of melatonin, have
; ?0 ^& ]! J% l$ ^; ~" t8 P ^公仔箱論壇lower rates of cancer, it was found.tvb now,tvbnow,bttvb r `) r. H; n, p* t) C6 z7 }$ o+ d
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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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