KIDS who sleep with the light on could risk leukaemia, parents were
5 C$ P1 l7 ]9 d0 Stvb now,tvbnow,bttvbwarned yesterday.
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Scientists have found the body needs darkness to produce a chemicaltvb now,tvbnow,bttvb; \5 N" A0 C) Z) X" x, ~
that fights cancer.www2.tvboxnow.com% S4 @' G/ e8 A* @3 D" Z
w1 r2 X9 l' h! F/ M9 gwww2.tvboxnow.comEven switching the light on for the toilet, staying up late, travelling& z& |) V7 s& B9 b% Y
across time zones, or the light from street lamps can stop enough
+ `& Z3 U2 \: D* ?/ \( j/ e% N melatonin being made, they say.tvb now,tvbnow,bttvb* d' K8 l) s% c/ d* F
* a. l8 i7 f8 @, V YThe body needs the chemical to prevent damage to DNA and its absenceTVBNOW 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。9 V8 s6 U5 x {) x7 |
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。+ Z5 R* ]. K) l, W
University Prof Russell Reiter, who led the research, said: 'Once you公仔箱論壇/ W) C( m2 V9 `6 M$ ^: y3 `$ C; R
go to bed you should not even switch the light on for a minute.
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'Your brain immediately recognises the light as day and melatonin
5 y+ }- g8 o. Z6 I' _/ \公仔箱論壇levels drop.'
: i" ?- A5 X/ |/ p9 J ?, M, Ftvb now,tvbnow,bttvb
6 `$ T- F: o5 C( Ftvb now,tvbnow,bttvbRates of childhood leukaemia have doubled in the past 40 years.
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About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday3 F0 z; {* W$ e8 @4 k6 r# X7 N
heard that people were being subjected to more light at night thanTVBNOW 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。/ `; _% [, [% s! d; i
ever..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。3 t$ b4 [0 B e* [
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This suppressed the production of melatonin which normally happens between 9pm and 8am.
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Past research has shown those most affected, like shift workers, hadwww2.tvboxnow.com/ V4 Q- I u3 y5 L% a# h
higher levels of breast cancer.www2.tvboxnow.com* a' ?& @) t& m+ L4 I
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。1 z! l0 ~$ ^1 v! T Z) v
Blind people, who are not vulnerable to fluctuations of melatonin, havewww2.tvboxnow.com( k, }" y+ D1 {( R
lower rates of cancer, it was found.
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. V6 ]/ ?5 a3 ^( M6 _0 w, ?tvb now,tvbnow,bttvbParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.tvb now,tvbnow,bttvb5 |7 ^' v3 u! Q" r' G' T
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發表於 2008-8-1 11:02 AM
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