KIDS who sleep with the light on could risk leukaemia, parents wereos.tvboxnow.com' H4 r; i. Q: h2 R! m
warned yesterday.tvb now,tvbnow,bttvb1 S) ~1 }5 Q3 H' k
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Scientists have found the body needs darkness to produce a chemical
% C L; V, l$ `& V, v公仔箱論壇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。1 v1 p2 z. ~+ F( D; b
% U, t& ^0 ~# Y" P3 Y; Aos.tvboxnow.comEven switching the light on for the toilet, staying up late, travelling
; l9 y- ]- K- l5 S5 K- W* ~across time zones, or the light from street lamps can stop enough
( r9 u0 K! ?# j0 d- e1 G$ q) @tvb now,tvbnow,bttvb melatonin being made, they say.
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" _ _0 j" o! p0 M4 S; n& w2 bThe body needs the chemical to prevent damage to DNA and its absence
1 J$ ?6 X a% [stops fatty acids reaching tumours and preventing them growing. Texas
: P0 V2 ~' D6 v( b8 K$ H3 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。University Prof Russell Reiter, who led the research, said: 'Once you
: X6 @ d, {5 H3 e# K公仔箱論壇go to bed you should not even switch the light on for a minute.tvb now,tvbnow,bttvb! |' l" u! {' j' o
" G) j2 m/ f6 A! U& ^+ \'Your brain immediately recognises the light as day and melatonin
+ D( l( Q( I _$ y/ Y1 s8 {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。levels drop.'
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Rates 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 yesterdaytvb now,tvbnow,bttvb9 N/ J2 g6 n+ ?! l* D) g. ]# }: D
heard that people were being subjected to more light at night thanTVBNOW 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。; z: g/ l0 v8 h
ever..
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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, hadtvb now,tvbnow,bttvb T Q( Z$ O* Z: G# V. A
higher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have
. ~0 N: P0 | \! Olower rates of cancer, it was found.
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; n, J9 i' y) a4 D公仔箱論壇Parents 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。 i" n2 L( |9 c9 G1 A
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發表於 2008-8-1 11:02 AM
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