KIDS who sleep with the light on could risk leukaemia, parents were
" V4 ~ l. W5 t' v2 \5.39.217.76warned yesterday.
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f0 r. x& u5 N M公仔箱論壇Scientists have found the body needs darkness to produce a chemical
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% p) x N* j# ?6 Mtvb now,tvbnow,bttvb公仔箱論壇9 O7 p6 F" k& v; c# m
Even switching the light on for the toilet, staying up late, travelling
5 L8 }( {2 c( J" ]( e( ], |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。across time zones, or the light from street lamps can stop enough5 z" K% g, \' U9 C
melatonin being made, they say.
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& S) C: h9 c6 {4 l GThe body needs the chemical to prevent damage to DNA and its absence
5 p' W0 P, a8 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。stops fatty acids reaching tumours and preventing them growing. TexasTVBNOW 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。) T7 A# {( u. m4 O, q
University Prof Russell Reiter, who led the research, said: 'Once you5.39.217.76 i* c, K& j! y" U
go to bed you should not even switch the light on for a minute.* e# f4 O& R2 J( ^+ I9 C
; ?9 J# J! R8 ?& ?4 U6 o% y. M; btvb now,tvbnow,bttvb'Your brain immediately recognises the light as day and melatonin
3 r4 @: O* _( _) Ulevels drop.'
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( k; c* }* [0 X2 |5 `) kRates of childhood leukaemia have doubled in the past 40 years.5.39.217.76+ ]2 R3 s4 `: |3 [" n8 p" {
* T8 `" c$ B& [1 q# B Z. b: |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
& g4 f5 u! @8 q2 t3 stvb now,tvbnow,bttvbheard that people were being subjected to more light at night than5 w1 A; B, k6 [7 [
ever..7 c- k3 k9 H) i5 Q. S4 {
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This suppressed the production of melatonin which normally happens between 9pm and 8am.
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2 }( q5 W& s# _( ~" t. P, t+ n& i公仔箱論壇Past research has shown those most affected, like shift workers, had
$ z f# T6 n* M8 E2 `/ [tvb now,tvbnow,bttvbhigher levels of breast cancer.
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. v! q4 \" g/ ^公仔箱論壇Blind people, who are not vulnerable to fluctuations of melatonin, haveTVBNOW 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。' O8 \0 q+ U- y* v
lower rates of cancer, it was found.
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- q) I1 E9 o2 w! G公仔箱論壇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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