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[健康資訊] SLEEPING WITH LIGHT ON MAY CAUSE CANCER

KIDS who sleep with the light on could risk leukaemia, parents were
0 B8 s/ m: y* r% {; n6 C  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。warned 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。$ ?9 s8 ^; O* }7 x2 P8 c

" v1 q* ]8 _8 E( Z; ZScientists have found the body needs darkness to produce a chemicaltvb now,tvbnow,bttvb5 S' s0 h" s! ^6 M: }- L2 `
that fights cancer.5.39.217.761 j3 c! f0 H! I$ G0 O! M
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Even switching the light on for the toilet, staying up late, travelling
+ y; W: v( ?1 d% t4 m/ B' Xacross time zones, or the light from street lamps can stop enoughtvb now,tvbnow,bttvb" e- m0 b) ~* T& M3 B: V" f
melatonin being made, they say.
0 _9 [# Y7 U) m6 @. o公仔箱論壇5.39.217.768 ^6 K/ s6 m1 c
The body needs the chemical to prevent damage to DNA and its absence
, }9 T/ y- G# |7 l( Q2 g4 Utvb now,tvbnow,bttvbstops fatty acids reaching tumours and preventing them growing. Texas公仔箱論壇& }5 N4 M' q0 ~
University Prof Russell Reiter, who led the research, said: 'Once you
% v: `1 ~- x8 z4 \% U$ igo to bed you should not even switch the light on for a minute.公仔箱論壇; w; {' n$ Q6 [  x0 B

; X: q5 ~; z+ V2 X0 `" y- @'Your brain immediately recognises the light as day and melatonin
' m: Y; W+ s1 h5.39.217.76levels drop.'
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Rates of childhood leukaemia have doubled in the past 40 years.5.39.217.76- q% z. ^1 A- l

1 U3 l; j7 c: U( ^3 K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 yesterday
6 d( A4 c6 Z9 Ptvb now,tvbnow,bttvbheard that people were being subjected to more light at night than
: A* R0 U' x% N# Z. P; @$ P! ]公仔箱論壇ever..0 c; q9 u+ i9 @1 }- F8 `
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This suppressed the production of melatonin which normally happens between 9pm and 8am.
4 Z: h- E/ v! P6 [tvb 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。" Q) {: X" r/ l. D% x
Past research has shown those most affected, like shift workers, had
4 P5 y: t4 r' e! L9 I4 W3 ?. vtvb now,tvbnow,bttvbhigher levels of breast cancer.公仔箱論壇( P  ~4 k+ D9 O2 C
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。' Y) X7 r* K! d5 B
Blind people, who are not vulnerable to fluctuations of melatonin, have
) i) H. Y* R1 D0 G3 L4 v! ?lower rates of cancer, it was found.
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; D* j5 @$ @" q: n( \Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.5.39.217.76' |3 D! l0 q( k! @1 {
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