KIDS who sleep with the light on could risk leukaemia, parents were" j% E) T; M z7 l4 C" N. B W
warned yesterday.
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Scientists have found the body needs darkness to produce a chemical
2 _0 l A( y3 ?公仔箱論壇that fights cancer.公仔箱論壇; M3 B! x/ W; Q5 ~( o* U) q" p _
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Even switching the light on for the toilet, staying up late, travellingwww2.tvboxnow.com4 Q1 x, _" l; g$ H4 A: s7 Y; h
across time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb/ I3 A0 @ D1 c
melatonin being made, they say.
# x i2 C0 q: N- o/ d& q公仔箱論壇tvb now,tvbnow,bttvb5 b2 R/ n; _" f# I! |
The body needs the chemical to prevent damage to DNA and its absence
9 `+ h- Q$ L- H s+ K1 ^4 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。stops fatty acids reaching tumours and preventing them growing. Texas
* W% X9 X L* x6 uTVBNOW 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。University Prof Russell Reiter, who led the research, said: 'Once youtvb now,tvbnow,bttvb# A" M6 F: I }8 Q2 ?; E/ O
go to bed you should not even switch the light on for a minute.' A* ]- h9 t+ m/ { j# R
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; }# V6 M, t9 x' l
'Your brain immediately recognises the light as day and melatonin
+ D( ^( k0 R. ` [' a f! |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。levels drop.'$ G' `: u6 W1 H7 R9 y! l
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。; s5 S+ {4 U/ m% [) e" m) N/ _) ~
Rates of childhood leukaemia have doubled in the past 40 years.www2.tvboxnow.com0 U7 `# v6 h8 {. m* \
, K* G) {/ x+ }: v, X$ _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 yesterdayTVBNOW 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。' W; A j! w9 Z
heard that people were being subjected to more light at night than, X" b, e9 K8 a, p+ t, X5 l$ Z
ever..
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This suppressed the production of melatonin which normally happens between 9pm and 8am.tvb now,tvbnow,bttvb9 e# R. \) O$ d" ^* \3 e0 ~
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Past research has shown those most affected, like shift workers, had
* v9 ]5 t& W2 pTVBNOW 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." W/ o+ R: a* S* T$ p. ~: ?
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Blind people, who are not vulnerable to fluctuations of melatonin, have
7 O+ C6 M+ d b6 X公仔箱論壇lower rates of cancer, it was found.公仔箱論壇3 m1 @8 z+ V3 l& z$ C; u: J. ?0 D
- O( O4 F9 ~! X1 b6 _3 n: {Parents 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。0 b" M* W1 Q; u3 q1 g/ {
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發表於 2008-8-1 11:02 AM
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