標題: [健康資訊] SLEEPING WITH LIGHT ON MAY CAUSE CANCER [打印本頁] 作者: Janetchan79 時間: 2008-8-1 11:02 AM 標題: SLEEPING WITH LIGHT ON MAY CAUSE CANCER
KIDS who sleep with the light on could risk leukaemia, parents wereTVBNOW 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 [8 o" y% ~# Y( M; x0 s
warned yesterday." |' ^% z* s& c* N+ L t7 v
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Scientists have found the body needs darkness to produce a chemical公仔箱論壇! ?. M$ f% k; P5 {
that fights cancer.公仔箱論壇% j- N2 u3 n* g( h4 Q
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Even switching the light on for the toilet, staying up late, travelling5.39.217.76) o- J2 v8 V4 q3 W6 M* e3 H4 X# m
across time zones, or the light from street lamps can stop enough " R1 v2 T7 z' D5 T1 @3 Y' F/ stvb now,tvbnow,bttvb melatonin being made, they say. 9 m9 V$ U' {3 c3 t2 X; l 6 S' j( J2 ^9 [5 m- a; TThe body needs the chemical to prevent damage to DNA and its absence5.39.217.76" p# R( m" i, p0 T5 b: \# [
stops fatty acids reaching tumours and preventing them growing. Texas- |% W! f) k& h0 K
University Prof Russell Reiter, who led the research, said: 'Once you/ }, m# g6 N S7 S* ]
go to bed you should not even switch the light on for a minute.tvb now,tvbnow,bttvb7 G9 x3 Z1 N7 h' j" W t* E, ?
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'Your brain immediately recognises the light as day and melatonin 4 }$ g) S# {2 f0 k P8 D! tlevels drop.'公仔箱論壇8 {/ `' \; @0 K: L9 \
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Rates of childhood leukaemia have doubled in the past 40 years.5.39.217.768 F2 T3 R3 d8 y) |3 a, b9 s/ M
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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 yesterday5.39.217.76- x* w, }) d+ q& b
heard that people were being subjected to more light at night than5.39.217.763 N! d8 k3 { ]3 d
ever.. 3 P8 C' l) l5 O # V( X5 P2 f3 k. Z$ |2 f2 t: i: K
This suppressed the production of melatonin which normally happens between 9pm and 8am. 6 K5 m; z& J2 }! b* Y公仔箱論壇9 W# @* m h! N4 {8 R9 y" n @
Past research has shown those most affected, like shift workers, had6 R3 ^ K n% q: L, A( C
higher levels of breast cancer. 3 W3 Z+ A3 V5 M# r3 u: F 8 e7 C% o2 Y5 Y5 o6 H5.39.217.76Blind people, who are not vulnerable to fluctuations of melatonin, have ! A, i+ \( k9 i) \0 r* u公仔箱論壇lower rates of cancer, it was found. . }+ [# Q! Z6 i7 g' jTVBNOW 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 ~% ]; t* e
Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark. ) S4 @0 N% E8 S5 R( Z' G Ktvb now,tvbnow,bttvb作者: kingbw88 時間: 2008-8-1 10:16 PM 標題: 回應 Janetchan79 第 1 篇文章
