KIDS who sleep with the light on could risk leukaemia, parents were
7 b9 Y. a7 c8 g+ x; s( @公仔箱論壇warned yesterday.. }% u8 \3 m* [: l
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Scientists have found the body needs darkness to produce a chemical5.39.217.762 O# l. }2 y( I( U [
that fights cancer.
( Z% j. T3 Z# A/ p- g4 ftvb now,tvbnow,bttvb
$ P8 L$ s* u) u; K" V公仔箱論壇Even switching the light on for the toilet, staying up late, travelling5 h& }4 z0 ]0 f2 C
across time zones, or the light from street lamps can stop enough
( v3 k. }' k. Y% Q melatonin being made, they say.公仔箱論壇. u3 L! d B. ?2 `
+ ]9 ~5 ^7 \: i6 D8 O5 D& x5 ~The body needs the chemical to prevent damage to DNA and its absence
2 \! h0 g% N$ Y$ ~5.39.217.76stops fatty acids reaching tumours and preventing them growing. Texas
% s2 i2 q" u7 l6 i) A CUniversity Prof Russell Reiter, who led the research, said: 'Once you
) P- [' }$ J4 m4 C7 O& u. Q公仔箱論壇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 melatonintvb now,tvbnow,bttvb$ |* f0 Y* F; g% A: Q7 \
levels drop.'
" j g w" \- q; _: k5 FTVBNOW 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。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。' ]: ~& k U% W( J/ }2 u8 P. i
Rates of childhood leukaemia have doubled in the past 40 years.
9 b9 `3 z0 ^9 i3 b$ ]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。 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。' s Z* {3 c* K5 w" l* f% U
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
. |& s% _% I2 n+ ltvb now,tvbnow,bttvbheard that people were being subjected to more light at night than
% v; Y* b* q7 Q: Y公仔箱論壇ever..
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% S. B1 T7 k8 ETVBNOW 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。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, had
/ B! w+ A- X! d U( E9 yhigher levels of breast cancer.5.39.217.76 I- B7 j, \0 i9 E
. A/ N2 @$ o: Q8 M5 j+ N5.39.217.76Blind people, who are not vulnerable to fluctuations of melatonin, have公仔箱論壇2 f* Q7 m" D8 h" W! _
lower rates of cancer, it was found.( S; Q& E$ a& J8 P8 `* |6 H7 k
) c1 W. @8 l2 j# B) R' _Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.* g/ ?1 [1 O% x9 m& h
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發表於 2008-8-1 11:02 AM
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