KIDS who sleep with the light on could risk leukaemia, parents were
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Scientists have found the body needs darkness to produce a chemical
: A7 |9 ?/ E6 a9 f& Sthat fights cancer.公仔箱論壇 E ^. A" ?/ T9 X3 l
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Even switching the light on for the toilet, staying up late, travelling
! s- q" X0 i: b, i+ [' Ltvb now,tvbnow,bttvbacross time zones, or the light from street lamps can stop enough
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2 Y, r4 S1 E3 M3 }% x& V3 ~2 q# n7 t5 e公仔箱論壇The body needs the chemical to prevent damage to DNA and its absence
4 v$ l7 i& x- w9 y- j8 ^stops fatty acids reaching tumours and preventing them growing. Texastvb now,tvbnow,bttvb8 F" @) ~ Y, O" P5 a! {! g" j+ P1 C
University Prof Russell Reiter, who led the research, said: 'Once youwww2.tvboxnow.com$ ]% Z6 ]% V! C( T. C
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 melatoninwww2.tvboxnow.com9 t. \5 N+ b$ d- L7 G' S) i
levels drop.'! \2 j3 m) L: o/ ]: `
. m/ S* Z. w* D) FRates of childhood leukaemia have doubled in the past 40 years.
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j3 _3 I& M8 uAbout 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,bttvb2 A) s6 [% }/ f7 L8 b; E3 o: H
heard that people were being subjected to more light at night than, J1 d' v, r0 ~* s) K' k
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This suppressed the production of melatonin which normally happens between 9pm and 8am.www2.tvboxnow.com9 K" u* q3 o4 Z9 v$ x
! x) G( H4 `% L9 C# w qPast research has shown those most affected, like shift workers, hadwww2.tvboxnow.com8 T% C( y) X e4 x, G; {$ L
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, havetvb now,tvbnow,bttvb! H }5 z9 |. E8 t) E
lower rates of cancer, it was found.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。7 ^+ _0 ]+ ?) z- k4 S& `5 Q
* j2 b8 g( b+ J) iParents 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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