KIDS who sleep with the light on could risk leukaemia, parents were5.39.217.777 v% q5 W6 d+ H C) B( L) v
warned yesterday.5.39.217.773 H+ ~$ G3 C: e( O% ~3 ]6 q5 q
5 Q, Z" i- Y( j! \+ g; KScientists have found the body needs darkness to produce a chemicalTVBNOW 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。8 u3 N* s* o9 ]( o
that fights cancer.# @$ N9 _: a( `, {% o8 U+ O+ ]
6 V! t6 E7 F% z; j/ ?/ q0 pEven switching the light on for the toilet, staying up late, travellingtvb now,tvbnow,bttvb, j0 V6 e* ]6 J
across time zones, or the light from street lamps can stop enough% P6 b! J6 [( K5 m: m4 ^ B
melatonin being made, they say.% P' C5 A1 N* I! }% J
l+ G/ I8 N$ {The body needs the chemical to prevent damage to DNA and its absence
. V! E* l6 K2 `' I. C* Z6 bstops fatty acids reaching tumours and preventing them growing. Texas公仔箱論壇5 G; [% Q3 [$ i
University Prof Russell Reiter, who led the research, said: 'Once you
- x }1 F" G4 V+ f( a2 a$ k3 Ztvb now,tvbnow,bttvbgo to bed you should not even switch the light on for a minute.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。5 u/ [% D0 C) s! U, b
tvb now,tvbnow,bttvb) [% c) @" R+ N" P0 ?* }1 Z9 y
'Your brain immediately recognises the light as day and melatonin5.39.217.77$ I0 }# `4 C% D4 }0 Y7 N' x
levels drop.'
0 k/ T: \9 t: vtvb now,tvbnow,bttvbTVBNOW 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# M9 k' e; L
Rates of childhood leukaemia have doubled in the past 40 years.5.39.217.77( F" m; u1 H% X$ L" z
6 m" d, X, F: s7 |9 ~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。About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday公仔箱論壇5 U. p" N& k% w9 L
heard that people were being subjected to more light at night than3 d! u& M* ^8 |+ p
ever..* m V4 y) v, l
3 @$ t: @+ L/ l: g! S* }" D7 stvb now,tvbnow,bttvbThis suppressed the production of melatonin which normally happens between 9pm and 8am.5.39.217.77! u1 G T! J! h1 C d
4 i( H l1 ~# F& [$ ?2 t3 D; d5.39.217.77Past research has shown those most affected, like shift workers, hadTVBNOW 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。* y1 r8 E. D4 c0 h1 g. _
higher levels of breast cancer.公仔箱論壇0 S1 }' V. v& o0 F- ?# H) D0 k
+ W ], E: Q, G
Blind people, who are not vulnerable to fluctuations of melatonin, have公仔箱論壇, g& E/ H7 D$ R; l# [/ S7 V
lower rates of cancer, it was found.5.39.217.77. g3 y/ K9 O" X- I* N
5.39.217.776 l+ Q0 a# V2 i
Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark./ U, d3 J, Z& I5 H
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發表於 2008-8-1 11:02 AM
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