KIDS who sleep with the light on could risk leukaemia, parents were5.39.217.761 [$ R( f' E7 }' E2 M: c; q# o
warned yesterday.
5 u4 A0 v6 {; `: C1 s5.39.217.76 5.39.217.767 F5 U" ?/ G( u
Scientists have found the body needs darkness to produce a chemical
# @' u* d5 K" S7 P8 m0 l) y& \5.39.217.76that fights cancer.
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( t8 i, c a6 ZTVBNOW 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。Even switching the light on for the toilet, staying up late, travelling x/ r( R2 _- c/ M4 p
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。5 X9 b! R. E0 J2 e4 E
melatonin being made, they say.tvb now,tvbnow,bttvb3 P% R. f* j% ?
! j) [' i8 q! u/ z- @; k8 [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。The body needs the chemical to prevent damage to DNA and its absence
% L k8 P+ ~5 w. N5.39.217.76stops fatty acids reaching tumours and preventing them growing. Texas
( ~, }/ `- R+ e+ ]University Prof Russell Reiter, who led the research, said: 'Once you
4 C) A& I/ i4 y! zgo to bed you should not even switch the light on for a minute.
# r+ n* v( w% W$ g% [tvb now,tvbnow,bttvb% X! I2 B: v5 _! K! ?
'Your brain immediately recognises the light as day and melatonin3 F; Z+ v: I* e/ p8 i0 J) |
levels drop.'tvb now,tvbnow,bttvb6 i5 Q9 I6 f& b5 \" L/ {
! t0 u2 V% n6 w. ~/ ^6 D" [Rates 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 yesterday
: O4 \5 l9 s: O; S5.39.217.76heard that people were being subjected to more light at night than5.39.217.763 n" `) V6 p, R* l7 c
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。& a2 E1 G' G5 v7 _8 q
tvb now,tvbnow,bttvb9 C: i% k! _( D( I, w6 \" C9 e
This suppressed the production of melatonin which normally happens between 9pm and 8am.
3 O- D, {2 x+ u2 u. J; rtvb now,tvbnow,bttvb
4 E8 K! ^. C& ]6 G* j+ o& Atvb now,tvbnow,bttvbPast research has shown those most affected, like shift workers, had
8 Y \5 h8 O' t; _3 J2 _tvb now,tvbnow,bttvbhigher levels of breast cancer.tvb now,tvbnow,bttvb8 |3 T4 A) H* O r
# j2 f) w) @0 L# h5.39.217.76Blind people, who are not vulnerable to fluctuations of melatonin, have
2 u \8 P: Q- Xlower rates of cancer, it was found.
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Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.3 ~( u6 [% w, H: @+ r6 t3 Z" e
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發表於 2008-8-1 11:02 AM
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