KIDS who sleep with the light on could risk leukaemia, parents were1 O7 Y1 m t7 y/ g, Q! b# C, p6 \
warned yesterday.公仔箱論壇9 j0 q$ c* s* k2 W% ^" T
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Scientists have found the body needs darkness to produce a chemicaltvb now,tvbnow,bttvb# D( |# G/ r6 L8 E
that fights cancer.( C2 m5 e, e- z3 E# W0 `5 j4 ?& b. s
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Even switching the light on for the toilet, staying up late, travellingTVBNOW 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。" ^7 c, }* {2 j3 Z# ~+ d; j4 F
across time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb/ v* M8 y& U3 f
melatonin being made, they say.
$ T) U9 Q/ K2 o/ U% K" U' k H$ hTVBNOW 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。
% n _" U1 Z1 H" x' X) A0 WThe body needs the chemical to prevent damage to DNA and its absence
* F# Z, v3 i6 R' `* h; Y% _6 ctvb now,tvbnow,bttvbstops fatty acids reaching tumours and preventing them growing. Texas
$ W6 _, J1 P% |* C _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。University Prof Russell Reiter, who led the research, said: 'Once you
3 i) n5 y' e' j. f$ W. [' hTVBNOW 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。go to bed you should not even switch the light on for a minute.www2.tvboxnow.com+ n$ F+ W8 a* h5 K/ N: ~7 ?
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'Your brain immediately recognises the light as day and melatonin
# J2 R9 u# Y7 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。levels drop.'
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5 V- ?* ~1 D% z7 x: B/ mtvb now,tvbnow,bttvbRates of childhood leukaemia have doubled in the past 40 years.公仔箱論壇+ e8 O' C! l2 v$ J8 u9 L% B) j
0 a* ]- {* I$ q公仔箱論壇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。* y: r; |' ~/ V5 A
heard that people were being subjected to more light at night than
! D7 [+ T9 @8 ^5 Y" _ever..
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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, had# Z; z5 M; ] n0 B( z- z! M
higher levels of breast cancer.) x k# k6 Q! A1 X( |
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Blind people, who are not vulnerable to fluctuations of melatonin, have+ h$ C& _5 f& c+ ]% w& ]
lower 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.
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發表於 2008-8-1 11:02 AM
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