KIDS who sleep with the light on could risk leukaemia, parents were3 Q" n! O- s2 ?* p$ i
warned yesterday.公仔箱論壇! Y& h8 w' M/ o/ t" Y. e3 Y5 ^
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Scientists have found the body needs darkness to produce a chemical
) R' v8 s, A8 P5 Z/ |; G' K公仔箱論壇that fights cancer.
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; t4 P4 s! m4 Q) k/ x5 v: V3 IEven switching the light on for the toilet, staying up late, travelling
( Z2 @3 [# c& f- N1 v" j; @+ wwww2.tvboxnow.comacross time zones, or the light from street lamps can stop enough
2 s$ s! g( H" i% ]tvb now,tvbnow,bttvb melatonin being made, they say.公仔箱論壇, A a& H3 ^ B* r
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The body needs the chemical to prevent damage to DNA and its absence" L6 v9 m/ c2 t) \5 O0 r3 C
stops fatty acids reaching tumours and preventing them growing. Texas
/ V8 }- J4 \4 A, h7 U9 Xwww2.tvboxnow.comUniversity Prof Russell Reiter, who led the research, said: 'Once you9 D7 W5 a& B h* o" ~5 S
go to bed you should not even switch the light on for a minute.% I. `5 o. ~9 `7 t. s7 w4 H
% W, z) q$ E( |2 Q- etvb now,tvbnow,bttvb'Your brain immediately recognises the light as day and melatonin
# u8 G+ U0 K( z! W t5 R rwww2.tvboxnow.comlevels drop.'
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Rates of childhood leukaemia have doubled in the past 40 years.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。. ]. l/ Q8 J! j. E! r
. o" k- L* {: ? m5 d- Bwww2.tvboxnow.comAbout 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterdayTVBNOW 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。+ o% F4 J( L8 y2 n8 e) z8 N' U
heard that people were being subjected to more light at night thanwww2.tvboxnow.com- s& C! l, g7 ?( e
ever..www2.tvboxnow.com V2 r. K/ C9 k' C
: R4 h7 {" r) ^4 _' }0 V$ i: O6 K, ~This suppressed the production of melatonin which normally happens between 9pm and 8am.
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0 ^( ]* M9 ]* J. h) ctvb now,tvbnow,bttvbPast research has shown those most affected, like shift workers, hadwww2.tvboxnow.com" ~4 K! b' o, j/ s( f$ v- V# U
higher levels of breast cancer.) i! r5 S, P2 i6 @6 c
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Blind people, who are not vulnerable to fluctuations of melatonin, have, X$ A; f3 @* W( R h- M/ v# B
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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