KIDS who sleep with the light on could risk leukaemia, parents were5.39.217.766 J# ?/ d% e9 g( j5 k
warned yesterday.
4 ~! `/ p4 h9 r! M3 z! P 5.39.217.76$ O, r+ \6 ?4 [0 C4 t$ q2 v8 {& u
Scientists have found the body needs darkness to produce a chemical
1 ~4 F6 J( B; l7 ~' i: _that fights cancer.tvb now,tvbnow,bttvb% X; _- |5 j% T' ?& _$ a
2 y1 y* M$ E/ I: v+ ^Even switching the light on for the toilet, staying up late, travelling
1 f( g7 n: `! p- ^0 @across time zones, or the light from street lamps can stop enoughTVBNOW 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! T" z" z, ~6 l3 ^
melatonin being made, they say.# s! A a& i7 ~1 q( N6 q
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The body needs the chemical to prevent damage to DNA and its absence) G5 H, g5 \/ M$ f x9 O. R% V
stops fatty acids reaching tumours and preventing them growing. Texas
# f' H" @# i3 B. V公仔箱論壇University Prof Russell Reiter, who led the research, said: 'Once you& ?0 Z; a7 B+ y* ]) M4 Q
go to bed you should not even switch the light on for a minute.
8 d+ E$ C. @ o4 ^5 v5.39.217.76公仔箱論壇( d' a/ J. b% _( G9 v
'Your brain immediately recognises the light as day and melatonin公仔箱論壇* X0 S7 V; H( i. y1 i" B) D( O
levels drop.'
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Rates of childhood leukaemia have doubled in the past 40 years.公仔箱論壇* R- J* f$ G1 o% ]+ `3 b7 U
公仔箱論壇9 E7 o7 i3 @9 S! R) _3 _8 n7 p
About 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。4 ~- w+ R( b4 W g. ?% q
heard that people were being subjected to more light at night than
- S9 ~( M& n: X" _ever..
4 Q* i( h* e- \. S& I; 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。
$ w/ g/ R4 v3 M f+ ?/ }; rThis suppressed the production of melatonin which normally happens between 9pm and 8am.
; \9 B+ t1 Z8 R$ `4 C: |tvb now,tvbnow,bttvb
: q5 A# r! k( 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。Past research has shown those most affected, like shift workers, had公仔箱論壇. ^" x6 @ v) C' a
higher levels of breast cancer.& F' w4 B& b% l
; J% L# a, z2 eBlind people, who are not vulnerable to fluctuations of melatonin, have
& ?0 H, ]7 u! n6 q6 v) mlower rates of cancer, it was found.
4 U$ m# D8 S' ?! h+ ?公仔箱論壇
2 b* |& L* h; A: {. ^2 m; G+ ltvb now,tvbnow,bttvbParents 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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