KIDS who sleep with the light on could risk leukaemia, parents were
2 |% S: `- g o% E0 W1 @! V0 [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。warned yesterday.
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Scientists have found the body needs darkness to produce a chemical
?# Z3 a) l! O4 u( W2 Ctvb now,tvbnow,bttvbthat fights cancer.0 z+ c- p, |4 J6 }
tvb now,tvbnow,bttvb1 A3 b% X- x5 |! g* e* }8 D
Even switching the light on for the toilet, staying up late, travellingtvb now,tvbnow,bttvb& X, S& F5 u) h" _& Y
across time zones, or the light from street lamps can stop enough
0 d8 X! V q# ~/ i1 ?4 j; } melatonin being made, they say.7 Z/ v w/ @3 c
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The body needs the chemical to prevent damage to DNA and its absence
+ P5 ?' u& ^9 O6 h& E. o5.39.217.77:8898stops fatty acids reaching tumours and preventing them growing. Texas
, I( Y% M! m; q0 XUniversity Prof Russell Reiter, who led the research, said: 'Once you
' \4 K4 L) R8 [; dgo to bed you should not even switch the light on for a minute.* d( S5 C+ h& W
; O$ m# P' b8 q4 Z( D" N9 J'Your brain immediately recognises the light as day and melatonin
2 b" c% k: ]. }+ v4 {tvb now,tvbnow,bttvblevels drop.'
- b+ Z: F9 R( k. i$ {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。
( P3 U ^+ Z% \/ I' q) g" s$ P5.39.217.77:8898Rates of childhood leukaemia have doubled in the past 40 years.* j) c, a9 _! J* Q4 Z0 D {( ?+ }
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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 yesterday6 L/ m- T% \+ \9 j' h' w% W
heard that people were being subjected to more light at night than
8 K. P) b5 j) f9 P: O' E公仔箱論壇ever..
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( y) j/ M( g+ `& F- m7 GThis suppressed the production of melatonin which normally happens between 9pm and 8am.公仔箱論壇$ Q# H6 Y2 y. X2 m8 X
! b% C' f# L8 H! y* V$ Ctvb now,tvbnow,bttvbPast research has shown those most affected, like shift workers, had
* _- l9 L: `; h7 P1 NTVBNOW 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。higher levels of breast cancer.6 C) \9 U H% M2 |, J/ @
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Blind people, who are not vulnerable to fluctuations of melatonin, have
- o5 k/ O7 ?2 G( i; {7 M5 @( j$ OTVBNOW 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。lower rates of cancer, it was found.
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! L+ M; ]9 T* i公仔箱論壇Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.公仔箱論壇. [8 x2 |4 s1 Q0 Z0 E
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發表於 2008-8-1 11:02 AM
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