KIDS who sleep with the light on could risk leukaemia, parents weretvb now,tvbnow,bttvb1 }. V* D" l5 r
warned yesterday.tvb now,tvbnow,bttvb K8 M& R {$ N3 I) S" `
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Scientists have found the body needs darkness to produce a chemical
1 F J Y2 _0 q( l# N/ t" T" Z6 Uwww2.tvboxnow.comthat fights cancer.
3 V. J9 p; K0 q2 |公仔箱論壇tvb now,tvbnow,bttvb& |( p8 V! ^5 R3 l6 u, e4 K
Even switching the light on for the toilet, staying up late, travellingwww2.tvboxnow.com: G0 n/ _/ n; a# t' i: G
across time zones, or the light from street lamps can stop enough
5 M B e3 n) O) q( M3 C% O; ? 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。 melatonin being made, they say.tvb now,tvbnow,bttvb" w8 E/ E$ o7 s6 y# w E
+ ?/ o, Z0 m; r/ qThe body needs the chemical to prevent damage to DNA and its absence
1 ?4 I# p$ A3 X1 i+ k4 _ p8 _stops fatty acids reaching tumours and preventing them growing. Texas
7 B) P0 ~& J9 D( R( p. x' }( s* ]公仔箱論壇University Prof Russell Reiter, who led the research, said: 'Once you" C$ q- p V. q% \- P0 s
go to bed you should not even switch the light on for a minute.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。6 c1 u- i9 q& f4 n7 V2 d. ^# s9 p
- @" N6 |- k7 u! r- f& u( B: Owww2.tvboxnow.com'Your brain immediately recognises the light as day and melatonin公仔箱論壇; z* f2 Y- e( I) ]8 j) q
levels drop.'
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4 |) }9 [ E4 f) b0 ?公仔箱論壇Rates of childhood leukaemia have doubled in the past 40 years.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。4 n- d" h6 B) d% s k1 `
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About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
) z; x- P# i$ u$ [heard that people were being subjected to more light at night than3 s0 \9 J- \3 V5 D4 ], B$ O# M
ever..公仔箱論壇0 }6 Y; p+ O) L
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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, hadwww2.tvboxnow.com2 n' a$ }& _+ K2 A0 U
higher levels of breast cancer.
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8 u8 N$ i. Z3 k1 s1 tBlind people, who are not vulnerable to fluctuations of melatonin, have
8 B3 S1 T9 }6 a/ q2 B公仔箱論壇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,bttvb( j6 q5 T* W+ R0 j3 G8 [
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發表於 2008-8-1 11:02 AM
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