KIDS who sleep with the light on could risk leukaemia, parents were
3 C4 M) H5 d* ?( |4 Ewarned yesterday.公仔箱論壇9 S: p& @! `- ?1 W M: v
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Scientists have found the body needs darkness to produce a chemical公仔箱論壇# `! K# x4 r/ H5 Z! X: a
that fights cancer.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。; j$ W3 N7 Z h% D
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Even switching the light on for the toilet, staying up late, travelling5.39.217.766 m' E2 @2 E: w8 x
across time zones, or the light from street lamps can stop enough
3 l' Z: P( T( D% B3 l公仔箱論壇 melatonin being made, they say.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 Y- ?- a: [$ x* u# D6 J. \
; ?9 C/ K$ |1 p4 _! {tvb now,tvbnow,bttvbThe body needs the chemical to prevent damage to DNA and its absence" X/ i+ Z1 h2 @# L o
stops fatty acids reaching tumours and preventing them growing. Texas5.39.217.763 \6 o2 y0 e8 N9 o; i ^- o( d1 O
University Prof Russell Reiter, who led the research, said: 'Once you
. f. {9 V. E) A; h2 ~5 |8 F8 Dgo to bed you should not even switch the light on for a minute.: ~: j1 o* t- V# Q" V. \7 E
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'Your brain immediately recognises the light as day and melatonin2 b8 H* {: k( }# Q, Q
levels drop.'
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' F( N9 b: g/ `/ r4 sRates of childhood leukaemia have doubled in the past 40 years.
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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
- y8 V* ?* T) _" i- n5.39.217.76heard that people were being subjected to more light at night than
) U' z8 o8 H9 s8 o3 Etvb now,tvbnow,bttvbever..
2 P: M- k& e \) ~+ b* V 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。
4 o' b3 O% D [4 V0 } X- YTVBNOW 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。This suppressed the production of melatonin which normally happens between 9pm and 8am.
! q! }+ m E1 g1 B6 W! M! A公仔箱論壇$ {4 ~: Q* ~2 R, Z2 {) i
Past research has shown those most affected, like shift workers, had公仔箱論壇* J" t0 V6 g" V4 e3 R t; d
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, havetvb now,tvbnow,bttvb4 q) ]9 |& t t! B; W, s
lower rates of cancer, it was found.
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! w5 U" u6 G1 T3 FParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.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。& t; N4 _5 A a( c
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發表於 2008-8-1 11:02 AM
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