KIDS who sleep with the light on could risk leukaemia, parents wereTVBNOW 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。' l) _8 G+ C5 \/ v
warned yesterday.tvb now,tvbnow,bttvb9 v s6 P6 @ ?& \! R
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。% E. G5 G7 |: r" o3 q6 S5 i
Scientists 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。9 b' B8 P% r9 G2 C( X' B
that fights cancer.
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Even switching the light on for the toilet, staying up late, travelling
& L w7 {* m7 d! c* O2 S/ b- X* A. sacross time zones, or the light from street lamps can stop enoughTVBNOW 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- n: D5 F3 S" }" Z
melatonin being made, they say.
% g0 v% {. w) t/ f7 _! u0 G& z: `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。
7 j" X2 a4 a1 e6 e+ ?4 Z* ZThe body needs the chemical to prevent damage to DNA and its absence. L0 {, [3 {& J4 F7 K8 K: C4 _ M# I7 [
stops fatty acids reaching tumours and preventing them growing. Texas
3 V! S( ]* d V. R. [7 L" ~2 rTVBNOW 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。University Prof Russell Reiter, who led the research, said: 'Once youtvb now,tvbnow,bttvb! C" ]5 V. a2 `7 K
go to bed you should not even switch the light on for a minute.
+ i4 x z" r6 _3 U公仔箱論壇 ^* L- F( ?; x: `
'Your brain immediately recognises the light as day and melatonin
: F$ e& H0 K- J# I4 \, Ylevels drop.'
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Rates of childhood leukaemia have doubled in the past 40 years.
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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 yesterday
4 H+ N# g8 } Y) uheard that people were being subjected to more light at night thantvb now,tvbnow,bttvb5 L9 e% F6 J+ u3 p' D
ever..tvb now,tvbnow,bttvb0 Z# y" L4 s5 }& k# @7 O
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This suppressed the production of melatonin which normally happens between 9pm and 8am.
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Past research has shown those most affected, like shift workers, had
0 S5 h6 x0 A" [# m6 Jhigher levels of breast cancer.1 D$ l% u2 R8 O
$ ^$ q( b: k9 l% \9 s- gBlind people, who are not vulnerable to fluctuations of melatonin, have6 l6 e+ M( {5 i7 E) ?
lower rates of cancer, it was found.
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( [; B# E. j8 w6 Wtvb now,tvbnow,bttvbParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.tvb now,tvbnow,bttvb% r$ u* l0 M* P9 {3 F
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發表於 2008-8-1 11:02 AM
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