KIDS who sleep with the light on could risk leukaemia, parents weretvb now,tvbnow,bttvb4 ?5 ]8 Y* A+ b# s* ~
warned yesterday.tvb now,tvbnow,bttvb, M7 ^( M* S: N9 V1 J0 S
1 B( G4 @. C# l& R. hScientists have found the body needs darkness to produce a chemical5.39.217.76$ B; I3 [4 h3 a5 {' H$ i
that fights cancer.5.39.217.768 M! N {% `; f0 P; N4 K( N
( g; b0 V& y% C5 Z+ W, M% E* h4 ZEven switching the light on for the toilet, staying up late, travelling0 @) v: {- s7 `
across time zones, or the light from street lamps can stop enough
" U- @: w: P0 {# r, [8 w5.39.217.76 melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absence公仔箱論壇+ ]9 c% V7 V! q$ V8 a/ M2 F) N
stops fatty acids reaching tumours and preventing them growing. Texas
: I5 ~# e, r5 Q/ @% pUniversity Prof Russell Reiter, who led the research, said: 'Once you公仔箱論壇( q0 ?8 a: f% l
go to bed you should not even switch the light on for a minute.公仔箱論壇" o5 u7 D6 A' v# v8 X- C
* [7 {$ O/ A. ~' J, n: X公仔箱論壇'Your brain immediately recognises the light as day and melatonin
! y; O( S+ [/ `/ V. D O, C) ~ sTVBNOW 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.'
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Rates of childhood leukaemia have doubled in the past 40 years.公仔箱論壇4 d3 Z7 T# |8 c7 n. _
9 k( R( a# a g, Xtvb 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
! {3 `1 H& l3 B' \: J, r6 P, _tvb now,tvbnow,bttvbheard that people were being subjected to more light at night than
" H" Q9 Z/ P c" }/ P5 gtvb now,tvbnow,bttvbever..公仔箱論壇3 b) b, l p1 X7 l. @
* q2 \% g+ O% E; o( D, l: htvb now,tvbnow,bttvbThis suppressed the production of melatonin which normally happens between 9pm and 8am.
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5 l( g; R9 M7 n" f: kTVBNOW 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, had5.39.217.76! d2 ]. J1 h) ~. J& |
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have* d8 R$ A4 l6 Y3 s5 h! l R1 {
lower rates of cancer, it was found.
' v( r% g1 |8 G* tTVBNOW 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。+ M ]! i! r; M
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。- D: _, B) M+ T2 [9 P) y
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發表於 2008-8-1 11:02 AM
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