KIDS who sleep with the light on could risk leukaemia, parents were
. g0 v) W V- ], y3 s) a2 ~% cTVBNOW 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。warned yesterday.www3.tvboxnow.com W% H! f/ k8 l! ?" \3 k" |
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Scientists have found the body needs darkness to produce a chemical公仔箱論壇1 k* r4 B2 } g0 f" G: ]1 C
that fights cancer.
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Even switching the light on for the toilet, staying up late, travelling
# P1 b& _. O7 w- f8 G! s+ o+ E8 r. i& [across time zones, or the light from street lamps can stop enough/ l* M- Q& V" l1 @3 J* v: ]
melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absence
9 }% {" X' B+ |tvb now,tvbnow,bttvbstops fatty acids reaching tumours and preventing them growing. Texas
1 l, w! F. a" s8 qwww3.tvboxnow.comUniversity Prof Russell Reiter, who led the research, said: 'Once youTVBNOW 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 D* E: Y1 Q. c: F
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
8 V) n: Y6 g9 |* ~0 @0 y/ Mtvb now,tvbnow,bttvblevels drop.'
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" s+ N, i/ Z M' f; |www3.tvboxnow.comRates of childhood leukaemia have doubled in the past 40 years.
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, v d5 W ]( UTVBNOW 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。About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
& i, Q0 m9 ` E1 i* L5 q2 ] G9 Ctvb now,tvbnow,bttvbheard that people were being subjected to more light at night than
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This suppressed the production of melatonin which normally happens between 9pm and 8am.公仔箱論壇$ w; j; e1 d% o- @5 X i( L$ Z% J+ R
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Past research has shown those most affected, like shift workers, had
: C* P: L( ^8 `" r2 phigher levels of breast cancer.
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$ e% ?; S& W8 qBlind people, who are not vulnerable to fluctuations of melatonin, have
- Y7 `3 D$ \3 L1 S# p7 @公仔箱論壇lower rates of cancer, it was found.6 R4 J! B1 h+ _7 }3 d6 u
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Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.tvb now,tvbnow,bttvb- W& o( k4 e+ A x7 j0 x
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發表於 2008-8-1 11:02 AM
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