KIDS who sleep with the light on could risk leukaemia, parents were公仔箱論壇: c0 V1 [1 S8 d* U% C# @
warned yesterday.tvb now,tvbnow,bttvb3 ]% J& m% ]9 ^- d4 [ Q, k6 g
5.39.217.76, m' ~) {! c% j: V6 T
Scientists have found the body needs darkness to produce a chemical
5 F) w4 d j s公仔箱論壇that fights cancer.
5 c! P( ?1 @5 b* Y* C. Q8 `5.39.217.76TVBNOW 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 F/ R* w3 D; U m
Even switching the light on for the toilet, staying up late, travelling
p' Q0 D. Q3 g O- Jtvb now,tvbnow,bttvbacross time zones, or the light from street lamps can stop enough
" S+ B& e7 x0 E7 n2 u6 e公仔箱論壇 melatonin being made, they say.
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3 z5 ]! x8 g& L; q6 |The body needs the chemical to prevent damage to DNA and its absence
( F$ \0 ~/ |) ?+ P6 VTVBNOW 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。stops fatty acids reaching tumours and preventing them growing. Texas
! ~; x9 l1 n6 u% aUniversity Prof Russell Reiter, who led the research, said: 'Once you
' c- r; I ]4 \" ~* q" bTVBNOW 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.
% h% M1 `1 n+ }% W4 K6 a! A0 S5.39.217.76
; O& M) y4 _# N% u/ V3 r'Your brain immediately recognises the light as day and melatonin
2 ?" o4 h; p5 P4 j mlevels drop.'
0 V6 {" M$ O, z. y7 QTVBNOW 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 y8 O( {" `9 K: W$ W$ L
Rates of childhood leukaemia have doubled in the past 40 years.1 p5 ]+ E3 Y$ A9 Z, N& h2 B6 }
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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 yesterday0 z. E* r- J" N* R5 y) x" c% o- I
heard that people were being subjected to more light at night than
* m1 l! n, P5 A2 H公仔箱論壇ever..tvb now,tvbnow,bttvb4 n3 j4 |& K% e+ K# r6 ]) \
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This suppressed the production of melatonin which normally happens between 9pm and 8am.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。, k! P# ~; h& |$ A# B
: l7 z/ i, {0 n2 T* r n1 `Past research has shown those most affected, like shift workers, had$ |2 i: R, P7 j( T/ S
higher levels of breast cancer.
8 M, g3 ?0 I- w% g" l! DTVBNOW 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 S& O0 O, F8 }( k8 G G; N4 l
Blind people, who are not vulnerable to fluctuations of melatonin, havetvb now,tvbnow,bttvb; }8 B% E9 H {
lower rates of cancer, it was found.
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* ?. C/ X2 H5 wParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.公仔箱論壇* c" H& h5 x: F- `5 O2 `
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發表於 2008-8-1 11:02 AM
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