KIDS who sleep with the light on could risk leukaemia, parents were
% }2 H& u/ @/ u: C5.39.217.76warned yesterday.公仔箱論壇; s! h$ X. {% s
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。' c4 U- H$ F( E3 H) K$ M
Scientists have found the body needs darkness to produce a chemical3 l! V7 w& r5 _& k0 @" U
that fights cancer.
4 T7 Y8 v/ X3 W7 Otvb now,tvbnow,bttvb5.39.217.762 z% S& Y" ? I5 N) ]
Even switching the light on for the toilet, staying up late, travelling
' v% Y" r0 r, }; q9 [6 P! c. O公仔箱論壇across time zones, or the light from street lamps can stop enough
1 `: i# j7 d0 e' Y# ^ melatonin being made, they say.
( e2 h7 T# E2 o: M0 X% I4 ~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 H+ A# n& i8 N/ _+ F3 @2 e g
The body needs the chemical to prevent damage to DNA and its absencetvb now,tvbnow,bttvb9 a0 o: h( F; `& v) U- c9 L
stops fatty acids reaching tumours and preventing them growing. Texas
" U& r' B5 t# V0 T$ g* c! s; _9 ]8 g5.39.217.76University Prof Russell Reiter, who led the research, said: 'Once you
) S! R5 T$ d9 D: G& k6 l- |+ K; g# d! i公仔箱論壇go to bed you should not even switch the light on for a minute.
4 ^! K+ L) ]. a Xtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb6 f) h% e7 _, x* @& c0 i; e
'Your brain immediately recognises the light as day and melatonin
; Y8 u! D; l9 e! T5.39.217.76levels drop.'
* y! ], n! P4 o6 M- ~公仔箱論壇
M! Q; x" a6 Z9 E% D) [9 N5 ]7 X公仔箱論壇Rates of childhood leukaemia have doubled in the past 40 years.* l7 W- [% Y K6 ]
5.39.217.76; c% }: g- B+ P6 C
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday W/ O( K9 t7 f% Z/ N% t1 h
heard that people were being subjected to more light at night than
+ I: w) g- p" [9 g P& g% C5.39.217.76ever..; D2 D- E9 v& X Q3 A8 h, x# I
9 d. C2 A# b& a" D7 p" Atvb now,tvbnow,bttvbThis suppressed the production of melatonin which normally happens between 9pm and 8am.2 D' G3 p u4 E4 F6 h! ]9 W+ ^
tvb now,tvbnow,bttvb8 N; o! I3 _ v+ C( N
Past research has shown those most affected, like shift workers, had7 `0 H- S: x' ?4 p2 z
higher levels of breast cancer.5.39.217.76& ~ W; c( F, ?0 N( K/ \
1 \2 y5 [1 q' F* V7 HBlind people, who are not vulnerable to fluctuations of melatonin, havetvb now,tvbnow,bttvb2 W5 N5 G; h0 f5 U: K
lower rates of cancer, it was found.
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" Z; D( a! t( P/ Z& |: c; L* d3 uParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.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。$ H+ w/ R9 H& q) f3 X7 ^/ j: T
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發表於 2008-8-1 11:02 AM
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