KIDS who sleep with the light on could risk leukaemia, parents were
" m% p! y, c% b: K- f9 d2 |" |% vwarned yesterday.5.39.217.77:8898( h# j5 c+ v8 {! z# ~
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Scientists have found the body needs darkness to produce a chemical公仔箱論壇0 @0 P) _% H$ U$ D0 \
that fights cancer.tvb now,tvbnow,bttvb0 Z5 {. ]+ a9 \+ y
4 H# e9 [( O3 ?$ U; @+ W+ z/ T5.39.217.77:8898Even switching the light on for the toilet, staying up late, travelling
: _, c- {7 U2 O# ^) O* t& ^5 tacross time zones, or the light from street lamps can stop enough
; n/ ~- _% s( ?( H& A" C8 _+ z公仔箱論壇 melatonin being made, they say.公仔箱論壇. W( l3 r$ [% E# t9 X
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The body needs the chemical to prevent damage to DNA and its absenceTVBNOW 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 E( E* D* ]; O. J! X
stops fatty acids reaching tumours and preventing them growing. Texas5 l% {5 l5 |8 S$ q( U {
University Prof Russell Reiter, who led the research, said: 'Once you( J* ?; t# N+ v5 ]# g6 G; D
go to bed you should not even switch the light on for a minute.
3 I) X9 d$ R# W- A5.39.217.77:8898TVBNOW 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。: D1 I7 K$ E* Z" ~- B6 ~& J) |
'Your brain immediately recognises the light as day and melatonintvb now,tvbnow,bttvb4 m7 \& j8 i+ Q* x! q/ @0 @& i
levels drop.'公仔箱論壇1 r5 ~: M* L0 H
2 p# P8 g/ g5 ^, U8 E2 m0 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。Rates of childhood leukaemia have doubled in the past 40 years.
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! e2 c& ^, V" _6 Q' g3 F* ?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 yesterday
0 i5 J' Z+ }: Y8 a q; ]) zheard that people were being subjected to more light at night than
' ? @5 W" g/ Y! Wever..5.39.217.77:8898; P2 D% C7 x4 M4 R
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This suppressed the production of melatonin which normally happens between 9pm and 8am.5.39.217.77:8898& ~3 z& r5 a* t6 v* f; v4 ~: Y
w( U; j+ b2 EPast research has shown those most affected, like shift workers, had5.39.217.77:8898' D6 D/ ?) Y" C+ Y
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have( Q8 r7 W |# Y
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.tvb now,tvbnow,bttvb1 x3 j) X$ _1 _4 `6 x
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發表於 2008-8-1 11:02 AM
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