KIDS who sleep with the light on could risk leukaemia, parents weretvb now,tvbnow,bttvb. n8 t' a; P1 H+ ~3 C- T
warned yesterday.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。1 B. t# e1 J- A* ~6 m* m
. H' G, I# t2 A# o% ?+ f, Y5.39.217.76Scientists have found the body needs darkness to produce a chemical5.39.217.763 Q- ~9 c0 S5 e p
that fights cancer.
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Even switching the light on for the toilet, staying up late, travelling5.39.217.76$ x$ O6 D- z7 h( ^/ A7 g
across time zones, or the light from street lamps can stop enough
s) K- p. `$ d- l: m6 g5.39.217.76 melatonin being made, they say.5.39.217.76$ S* D6 B8 w& k0 o
5.39.217.762 ~ f$ X1 G( n) V* O& V/ t
The body needs the chemical to prevent damage to DNA and its absence
0 s# j3 a! J3 W$ r5.39.217.76stops fatty acids reaching tumours and preventing them growing. Texas
) _0 B5 Q) b' N" w5.39.217.76University Prof Russell Reiter, who led the research, said: 'Once youtvb now,tvbnow,bttvb, u% y/ V6 h. `0 d: b( }4 Y7 a
go to bed you should not even switch the light on for a minute.4 C/ A, j4 ^# Q6 j5 g
公仔箱論壇+ b2 ]5 `6 \$ O+ w
'Your brain immediately recognises the light as day and melatonin
4 B' o7 F" B" P1 h7 X* _0 H. o- @. ]levels drop.'
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- A9 R3 }) r; htvb now,tvbnow,bttvbRates 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。+ {# w/ H+ \$ M* {5 z6 J" v2 f
tvb now,tvbnow,bttvb' P3 |" S! g& _, g1 E8 {$ R
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
1 b9 M$ |! w8 d' H+ Z5 F. fTVBNOW 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。heard that people were being subjected to more light at night than. ?! X8 l' g0 K* r. i8 ?
ever..
% G* e7 S! U- V5.39.217.76 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。9 a; n# J! c8 E! ^$ p
This suppressed the production of melatonin which normally happens between 9pm and 8am.
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! J" Q. X6 C; K) k" x+ H: ?Past research has shown those most affected, like shift workers, had
; `7 M- s: u4 o3 o( J" n( s5.39.217.76higher levels of breast cancer.tvb now,tvbnow,bttvb. w& @) p# B3 g) [* s
s z( t7 e; \+ z5.39.217.76Blind people, who are not vulnerable to fluctuations of melatonin, have. w6 \) ~" l* ~. Z8 L/ J- d
lower rates of cancer, it was found.
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0 s; @/ @; X/ w( c公仔箱論壇Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.5.39.217.76' R7 J; s4 q! ` z [7 y; O# ?" z
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發表於 2008-8-1 11:02 AM
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