KIDS who sleep with the light on could risk leukaemia, parents were
( X5 _1 q3 I" \; M6 T公仔箱論壇warned yesterday.
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Scientists have found the body needs darkness to produce a chemical
8 N8 H) I8 o9 s# k. G* u5 Tthat fights cancer.
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Even switching the light on for the toilet, staying up late, travelling( e* n! l7 ]- h- d# ^( @
across time zones, or the light from street lamps can stop enough
G& @& ]5 B/ H; m9 b, Z0 @ R melatonin being made, they say.& x. q$ V8 d; L- G3 D$ B
7 J. H1 g4 P- OThe body needs the chemical to prevent damage to DNA and its absence公仔箱論壇; Z1 f9 d3 A% A" A6 b* g
stops fatty acids reaching tumours and preventing them growing. Texas
n. o. K: U8 A3 c% k" i* w# V6 utvb now,tvbnow,bttvbUniversity Prof Russell Reiter, who led the research, said: 'Once you
) s, l7 r' H, wTVBNOW 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.tvb now,tvbnow,bttvb' s9 c% O5 M* T8 w
: f7 q: T# x0 i- P6 z* cTVBNOW 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。'Your brain immediately recognises the light as day and melatonintvb now,tvbnow,bttvb" |+ g& `( s1 ^3 R( @
levels drop.'1 q% C2 p+ m5 d
4 L; I2 |" Y7 F" i- m* s2 g公仔箱論壇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 yesterday
: r0 P; J" C, c, J" N公仔箱論壇heard that people were being subjected to more light at night than
6 E5 n7 M$ w" Y3 R! ITVBNOW 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。ever..
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This suppressed the production of melatonin which normally happens between 9pm and 8am.
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( P8 q4 r0 P- A) `公仔箱論壇Past research has shown those most affected, like shift workers, had
6 T8 D4 H* T" ]) l1 J% o8 `5.39.217.77higher levels of breast cancer.
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: Y0 X7 |) n4 y3 n) u公仔箱論壇Blind people, who are not vulnerable to fluctuations of melatonin, have4 y- ?& u \8 c! J
lower rates of cancer, it was found.
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# h" @. R# t; y! E9 btvb now,tvbnow,bttvbParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark., \9 ^1 }( ]) J/ W
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發表於 2008-8-1 11:02 AM
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