KIDS who sleep with the light on could risk leukaemia, parents were( d; V+ m; c& Y- i4 l
warned yesterday.1 o, W7 m$ y0 d7 u Y
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Scientists have found the body needs darkness to produce a chemicaltvb now,tvbnow,bttvb3 A9 h4 t7 W1 K* W6 j* P/ b7 @
that fights cancer.
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/ y5 D9 ]) c1 {- h& k5 u1 O, \, h0 eTVBNOW 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
" N- h: z: s* F7 l公仔箱論壇across time zones, or the light from street lamps can stop enough5.39.217.77:8898* C3 p8 F! X# ?) L* {9 d
melatonin being made, they say.5.39.217.77:8898- H# g: E- D+ R
* ^8 s+ L1 L8 x9 y0 \7 QThe body needs the chemical to prevent damage to DNA and its absencetvb now,tvbnow,bttvb) o7 F( L) x# @; c+ _! |$ Z
stops fatty acids reaching tumours and preventing them growing. Texas
9 y; s" D" d" v1 N7 Otvb now,tvbnow,bttvbUniversity Prof Russell Reiter, who led the research, said: 'Once you, \% R. J# K! K
go to bed you should not even switch the light on for a minute., E, n* I% U9 r3 A
3 G" \/ W6 A4 y- Q. R( E6 ?9 ~" r5 Dtvb now,tvbnow,bttvb'Your brain immediately recognises the light as day and melatonin
9 o* z# @1 ?& Tlevels drop.'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。; c* ]9 Z9 F# ?" R5 Y5 A
$ G! F) P, v, P. t4 i) ]公仔箱論壇Rates of childhood leukaemia have doubled in the past 40 years., v, Z3 B, z5 E. r8 @2 E' r
公仔箱論壇9 z( `+ f# R' ~; U1 X) m8 D
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
# E2 z9 Z- i' t$ `* Gheard that people were being subjected to more light at night than
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5.39.217.77:88983 K' ?& |+ i) q e1 H; y& y" D( X5 Q
This suppressed the production of melatonin which normally happens between 9pm and 8am.
2 m8 ~* A7 z, s' n4 N3 ftvb now,tvbnow,bttvb
+ m5 L2 }2 c. |3 O* r$ I1 |Past research has shown those most affected, like shift workers, had
& |- i3 c0 @$ t) S4 @* m3 Fhigher levels of breast cancer.- U; U9 R8 ^+ q s* @+ P7 B
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Blind people, who are not vulnerable to fluctuations of melatonin, have
7 |7 A& m/ u& K' j% g. \tvb now,tvbnow,bttvblower rates of cancer, it was found.
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% H2 M) y- A4 \: G- O; h1 D! ^$ OParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.公仔箱論壇! @/ B4 e \* i: U& d8 v( W
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發表於 2008-8-1 11:02 AM
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