KIDS who sleep with the light on could risk leukaemia, parents were公仔箱論壇" R* d3 W7 v* Q ]$ G0 d
warned yesterday.5.39.217.770 [: {) z7 O# K: b$ l* m& ~; L: v1 j. D
& S. |6 I$ K8 _/ z6 Z+ G5 Z
Scientists have found the body needs darkness to produce a chemical1 l- s% l" j. E6 V$ G& B1 ?
that fights cancer.
" U( `* w/ E2 g b1 m. { }5.39.217.77TVBNOW 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。% i0 z: d1 c) ?* C, `2 V+ g* a
Even switching the light on for the toilet, staying up late, travelling8 P. X4 v& y" G h7 K
across time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb k; Q4 a6 F, {( E. T3 h& E8 `2 @
melatonin being made, they say.tvb now,tvbnow,bttvb, E# S6 V- |/ @' Z O4 n
: D: I, r8 [7 p" H* i5.39.217.77The body needs the chemical to prevent damage to DNA and its absence5.39.217.776 X8 r" F4 v( }: }% S
stops fatty acids reaching tumours and preventing them growing. Texas
# V7 l7 L a* A* p. ?University Prof Russell Reiter, who led the research, said: 'Once you4 a) K* ^/ a3 ]
go to bed you should not even switch the light on for a minute.
& R- |# a# |5 D5 Z, k2 ntvb 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。9 k3 w) Q' Z2 `. P4 N- d& }% ^
'Your brain immediately recognises the light as day and melatonin
6 H+ B% P7 F/ H# K0 g o( s I& \tvb now,tvbnow,bttvblevels drop.'' N1 } R/ h( m6 r
. s# ]1 e) Z, e4 DRates of childhood leukaemia have doubled in the past 40 years.
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# l3 J6 K3 y* U) K- {1 g- [tvb now,tvbnow,bttvbAbout 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday5.39.217.77 k3 P4 K! C2 H$ k M9 \, Y
heard that people were being subjected to more light at night than
4 e$ u% m) E9 f% a# T9 O: ^公仔箱論壇ever..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。, R- P% e4 Z4 S0 z5 |6 o p
+ _" I% M7 B' }" EThis suppressed the production of melatonin which normally happens between 9pm and 8am.3 d- g) s& ]# }$ `( i* G2 [ X
8 }6 u2 t' r; b! M) Z0 Y
Past research has shown those most affected, like shift workers, had
4 m! @8 `4 Y8 ^- R5 n( R) xtvb now,tvbnow,bttvbhigher levels of breast cancer.公仔箱論壇& U' d \9 n4 L7 e9 U, u" l
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。; y9 ~7 J0 G4 O W
Blind people, who are not vulnerable to fluctuations of melatonin, have
# s+ P3 ?/ `& s$ ^+ J- D2 Gtvb now,tvbnow,bttvblower rates of cancer, it was found.
; }/ w7 H- O5 PTVBNOW 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。tvb now,tvbnow,bttvb" b- P0 O" q4 x* U
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。5 ]& P. |% F7 Z/ l0 ~+ {- T* S5 r2 d& f
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發表於 2008-8-1 11:02 AM
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