KIDS who sleep with the light on could risk leukaemia, parents were
* u- n$ r4 e gtvb now,tvbnow,bttvbwarned yesterday.. G# l" ^3 E( A1 o+ Y
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Scientists have found the body needs darkness to produce a chemical公仔箱論壇- d# r6 o% b9 b3 x# B
that fights cancer.
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2 B' j7 b: O! J7 w% E+ {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。Even switching the light on for the toilet, staying up late, travelling
% d( ~ }) h2 W6 cTVBNOW 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。across time zones, or the light from street lamps can stop enough$ I2 `0 H+ S# \* w4 f/ \
melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absencewww.tvboxnow.com7 r) Z: ~8 b* O
stops fatty acids reaching tumours and preventing them growing. Texastvb now,tvbnow,bttvb) `. I, e/ S- M% m% X6 G
University Prof Russell Reiter, who led the research, said: 'Once youTVBNOW 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& o4 {7 w; R; l% C
go to bed you should not even switch the light on for a minute.
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& u/ U9 T& o7 J# {'Your brain immediately recognises the light as day and melatonin公仔箱論壇9 m7 o- W% B' b% o
levels drop.'www.tvboxnow.com" |! Q. Q* Q) D, y
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Rates of childhood leukaemia have doubled in the past 40 years.) `' w0 d% B8 [4 n
2 M* ~$ i$ B4 j k' ~) z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,bttvb. Q* b) v1 p5 K9 U3 B( e: k& a
heard that people were being subjected to more light at night than
8 `. ~/ j0 A3 h1 Y; 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。ever..公仔箱論壇+ ~# G n0 [- f* a I
2 @ j+ a6 G3 Q$ @* ~+ P, cwww.tvboxnow.comThis 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。0 [% c% q& u$ [/ Q% V& a& x
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。! k# Q; e; w+ G; v% q: J t
Past research has shown those most affected, like shift workers, had0 s1 u. k% w7 |7 W8 l: {
higher levels of breast cancer.www.tvboxnow.com% Z9 z* O5 T5 ^9 \+ o. g( y$ U6 B
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Blind people, who are not vulnerable to fluctuations of melatonin, have公仔箱論壇7 a% m: s6 {( r7 n
lower rates of cancer, it was found.
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Parents 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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