KIDS who sleep with the light on could risk leukaemia, parents were
( f- y0 ~6 l+ a: \# awarned yesterday.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。# w' P/ V' l: ?) N. `0 z
( [5 x$ V' g: u! j6 }& ?tvb now,tvbnow,bttvbScientists have found the body needs darkness to produce a chemical
0 o/ J8 l( Z: A3 K* {2 ]2 Z7 J5.39.217.76that fights cancer.tvb now,tvbnow,bttvb- D1 ~2 ?6 ?3 y- w1 T0 g# I. ^
( K0 {1 _+ P, b- m, 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。Even switching the light on for the toilet, staying up late, travelling
) J( i5 n& @+ E" {- T公仔箱論壇across time zones, or the light from street lamps can stop enough
/ n; w$ r7 ^6 C: O' j# w5 w% \ melatonin being made, they say.tvb now,tvbnow,bttvb3 Z6 f c1 W0 J9 ?! K9 f6 ^
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The body needs the chemical to prevent damage to DNA and its absence
% m- F/ B: G% v! D T W# _stops fatty acids reaching tumours and preventing them growing. Texas4 A+ L) z& w0 |& W+ n5 n, e" H
University Prof Russell Reiter, who led the research, said: 'Once you
. K, H! k- _5 y; {1 X) M5 Mgo to bed you should not even switch the light on for a minute.
2 ?3 k6 a$ {3 c公仔箱論壇tvb now,tvbnow,bttvb1 `0 }( }. F6 L0 ]
'Your brain immediately recognises the light as day and melatonin5.39.217.76- P4 e. b, X2 J/ q$ `6 r* ?
levels drop.'# t1 @% k1 K, X' L0 ~( y" z
2 S6 I7 R; F" p+ j4 {" |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。Rates of childhood leukaemia have doubled in the past 40 years.1 F5 l6 ?# p' f0 Q8 g g
" Z. {$ ~0 q G8 R! D公仔箱論壇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,bttvb0 e, u, ~# _$ `( }. a
heard that people were being subjected to more light at night than: O. M1 E7 T- G
ever..
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0 M* O9 Y3 ^( L$ ~This suppressed the production of melatonin which normally happens between 9pm and 8am.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 m* O/ l+ K2 G1 S+ V6 I0 B: U' R: e
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Past research has shown those most affected, like shift workers, had
* X d, W& t7 T3 Z9 _/ _5 J5.39.217.76higher levels of breast cancer.公仔箱論壇; ^6 `4 |/ I. Y5 @7 n9 m
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Blind people, who are not vulnerable to fluctuations of melatonin, have5.39.217.76: |. @8 t9 v0 [, F# Y
lower rates of cancer, it was found.
4 m+ O" C- Y3 g* P0 A bTVBNOW 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。
. D; o) t! L- y& `; a# G0 Y, J nParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.
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發表於 2008-8-1 11:02 AM
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