KIDS who sleep with the light on could risk leukaemia, parents were; \9 Z' ?1 M+ |& E9 b! b
warned yesterday.* P' j4 w# C+ m' _# H
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 {' v6 b2 I3 @5 ? ^. g
Scientists have found the body needs darkness to produce a chemical
5 x, j# W3 y- I: `tvb now,tvbnow,bttvbthat fights cancer.5.39.217.77% N! h0 }# w+ x6 l, A, j
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Even switching the light on for the toilet, staying up late, travelling
% _4 V& C6 H L7 T+ i! z$ facross time zones, or the light from street lamps can stop enough
" U0 K2 T( w/ o# X$ S melatonin being made, they say.5.39.217.770 |, |8 N( Z2 \8 @5 {+ D. V/ ^( B+ |
' A. G. C, g0 z I% [6 H3 utvb now,tvbnow,bttvbThe body needs the chemical to prevent damage to DNA and its absence ^- R$ N" V8 ?8 p& k; \+ W7 q
stops fatty acids reaching tumours and preventing them growing. Texastvb now,tvbnow,bttvb, N/ o# k9 s( P/ H6 L: n
University Prof Russell Reiter, who led the research, said: 'Once you
4 w' ]9 J, d& s/ C# U. E6 rgo to bed you should not even switch the light on for a minute.tvb now,tvbnow,bttvb0 T' E2 q- Y# x
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'Your brain immediately recognises the light as day and melatonin5.39.217.77* @; c6 s' r3 d$ [' z- l7 ~$ A8 F
levels drop.'公仔箱論壇* }0 c6 N4 L% G: O( o
+ W. t3 y) p4 E( n6 J公仔箱論壇Rates of childhood leukaemia have doubled in the past 40 years.5.39.217.77& u5 w* t& A+ K9 ^
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。$ F7 q/ t5 R# ]+ l- J2 I7 c
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterdaytvb now,tvbnow,bttvb5 d4 H$ ? ]0 V* I/ W9 }. o
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。1 l/ v/ Y* v/ L2 q8 h
ever..- |: p0 k1 C. l& @
# ]: a8 |$ U F5.39.217.77This 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
. ^+ x. Y$ |5 V* q0 ?& btvb now,tvbnow,bttvbhigher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have
5 z6 h6 u- `' Q$ N; xtvb now,tvbnow,bttvblower rates of cancer, it was found.公仔箱論壇9 d+ n: x" q# A9 z3 p
' U" }7 M ?1 Y5.39.217.77Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.5.39.217.77/ Z# ~# K0 k0 T1 V- j
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發表於 2008-8-1 11:02 AM
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