KIDS who sleep with the light on could risk leukaemia, parents were9 G! B$ r& x! _- f' _
warned yesterday.
7 J2 E4 y$ J) B( O+ w9 Z$ V
# Q7 J( ~5 i) b, zos.tvboxnow.comScientists have found the body needs darkness to produce a chemical公仔箱論壇) W7 t1 v1 G! f1 i2 x
that fights cancer. Y* Y2 L8 |1 S# s0 X
公仔箱論壇4 f. ]! n, y' o6 E4 s7 R1 T( y
Even switching the light on for the toilet, staying up late, travelling
% h! z( R3 M. h3 Gacross time zones, or the light from street lamps can stop enough
5 X( T0 D' A5 f! E5 h6 H melatonin being made, they say.
1 L) }9 [. I2 ^3 Q; Y/ j+ H5 V4 tos.tvboxnow.com% P- z) C/ R% f; @
The body needs the chemical to prevent damage to DNA and its absence
" L) x. L, O- c& r* A( L( itvb now,tvbnow,bttvbstops fatty acids reaching tumours and preventing them growing. TexasTVBNOW 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 ^- }* f2 f- Q8 Z" F
University Prof Russell Reiter, who led the research, said: 'Once youos.tvboxnow.com- l: ?- d1 X- i# |% {/ a- i6 A
go to bed you should not even switch the light on for a minute. B P# J' X+ K, c; \
2 ~. M5 d! t* b% Z( v' h公仔箱論壇'Your brain immediately recognises the light as day and melatonin公仔箱論壇1 |% a0 e' X' { U8 \* B
levels drop.'tvb now,tvbnow,bttvb2 T% O3 H* m. s; t2 N) i
) {5 _: m$ x1 _* gtvb now,tvbnow,bttvbRates of childhood leukaemia have doubled in the past 40 years.os.tvboxnow.com) q: L* @' ~( u- \+ Q6 w0 Q
tvb now,tvbnow,bttvb' z, @' f* l! r, C& B
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
- `' X- k+ v; s8 y: b* X0 U6 c公仔箱論壇heard that people were being subjected to more light at night than1 H$ D' o" C- N# b9 O
ever..公仔箱論壇5 V9 i* f; H! a& N4 y
4 c$ Y; ~4 q* H+ Ktvb now,tvbnow,bttvbThis suppressed the production of melatonin which normally happens between 9pm and 8am.
, S: C9 F" G! h; c& c$ ?tvb now,tvbnow,bttvb3 y' |: o0 X* p' }2 x+ C9 W) J
Past research has shown those most affected, like shift workers, had$ `: _; w! P0 x" Q/ M- m/ T1 e
higher levels of breast cancer.
8 e' J8 d0 @6 ]& ~! Ctvb now,tvbnow,bttvb; [( g Q$ A' Y6 l
Blind people, who are not vulnerable to fluctuations of melatonin, have公仔箱論壇: d, e% h' M# P! b2 A
lower rates of cancer, it was found.tvb now,tvbnow,bttvb5 I: o; _. H* n
+ a1 b) }# t& Q; rParents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.os.tvboxnow.com* ]% h" m5 v) {! J, D
|
發表於 2008-8-1 11:02 AM
| 
