KIDS who sleep with the light on could risk leukaemia, parents weretvb now,tvbnow,bttvb9 V7 ]( `/ F( `9 i
warned yesterday.: B, V+ M) S" ^. | e" o( S
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Scientists have found the body needs darkness to produce a chemical
+ C# h& \9 c; }+ b* Q) Y* m5 pthat fights cancer.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% z9 S4 }. q6 p& n0 r" I
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Even switching the light on for the toilet, staying up late, travelling
2 u0 B+ A6 M. jtvb now,tvbnow,bttvbacross time zones, or the light from street lamps can stop enough- g" w4 ]) e6 m+ l$ E9 \
melatonin being made, they say.
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6 L* H' @8 e& N- D5 R1 rThe body needs the chemical to prevent damage to DNA and its absenceTVBNOW 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。% Z/ z7 j" l* B: D8 W
stops fatty acids reaching tumours and preventing them growing. Texaswww2.tvboxnow.com: [. C y/ G0 m2 a& O8 w
University Prof Russell Reiter, who led the research, said: 'Once you
3 F) Y/ q/ b 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。go to bed you should not even switch the light on for a minute.$ H3 a, T, t9 L) g8 u
) f3 u. I6 n" W9 W5 f'Your brain immediately recognises the light as day and melatoninTVBNOW 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。1 J% q2 ^9 R- j
levels drop.'公仔箱論壇- r+ }! v% r" \. C' N; B8 z, U% ?
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 I- x" h9 ]! K6 w) o
Rates of childhood leukaemia have doubled in the past 40 years.% A- D+ a4 @5 ?0 S# w2 Q' H" i
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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 yesterday3 C) g+ ~+ W! [: ~2 |5 H8 p. ?7 O! Y" p8 j
heard that people were being subjected to more light at night thantvb now,tvbnow,bttvb; D! `, p1 G7 R' M. T) b6 i
ever..
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" [; q/ `& y3 R, W' k% ?tvb now,tvbnow,bttvbThis 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
V' p0 b# F [/ J+ z0 zhigher levels of breast cancer.www2.tvboxnow.com9 U5 m2 C3 E. k
$ Z% u# H. i$ y4 g4 U+ R2 N1 rtvb now,tvbnow,bttvbBlind people, who are not vulnerable to fluctuations of melatonin, have
4 g t! c. L* c0 Ntvb now,tvbnow,bttvblower rates of cancer, it was found.tvb now,tvbnow,bttvb& }( K! h- f) S7 n& s
1 n& j) V" n9 r# m& a5 w" b( i" j% ctvb now,tvbnow,bttvbParents 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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