KIDS who sleep with the light on could risk leukaemia, parents were5.39.217.774 i; z' R& F8 ~7 ^# J% q1 a0 x' {/ q
warned yesterday.
# J# S" S$ f0 ~8 z" U1 J5.39.217.77 * G( z9 W f! S2 j
Scientists have found the body needs darkness to produce a chemicalTVBNOW 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。5 k; Q3 P; w6 M3 a1 J5 J- E
that fights cancer.
% Z2 y1 e, H7 @4 E, O Ntvb now,tvbnow,bttvb) }- L" T9 w5 F+ ?6 ?. k& R6 I. j7 V
Even switching the light on for the toilet, staying up late, travelling
6 H! w, T- Q& |) ~% ]2 F5.39.217.77across time zones, or the light from street lamps can stop enough
: M, [% H: e" Y/ f) }3 C- i melatonin being made, they say.
/ m0 }+ D' w6 j( @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。
* S* K4 T8 x. ^8 c公仔箱論壇The body needs the chemical to prevent damage to DNA and its absence
" ]# O& X4 u$ O2 Y, K% {stops fatty acids reaching tumours and preventing them growing. Texas* e/ B9 v: i- B' T8 A
University Prof Russell Reiter, who led the research, said: 'Once you
5 }3 T. Q/ l' ]# x7 STVBNOW 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。go to bed you should not even switch the light on for a minute.
9 E7 X' q- f4 U4 A2 [# ~: NTVBNOW 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。
4 V" f" v; l% _& Ytvb now,tvbnow,bttvb'Your brain immediately recognises the light as day and melatonin公仔箱論壇( f- q1 C% r% F& w7 W
levels drop.'5.39.217.77% Z1 V1 p4 B2 A) H- `0 i9 a2 p; Y
" ~4 y' P5 t% N' T% H, g公仔箱論壇Rates of childhood leukaemia have doubled in the past 40 years.
: v8 Y& i% m. n tvb now,tvbnow,bttvb, \; ?4 Y; m" w# x
About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday5.39.217.77+ D# U, j6 g& L2 w$ E
heard that people were being subjected to more light at night than
, Z& S& P" ]* I! M' A$ d) G( jtvb now,tvbnow,bttvbever..tvb now,tvbnow,bttvb% |/ k. a( Q( P0 P* w {
' `! \3 O$ J/ O6 K2 n0 cThis suppressed the production of melatonin which normally happens between 9pm and 8am.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。% R: r( }/ l, ^
* y$ k8 @" K! S/ D) ?/ o! n5 PPast research has shown those most affected, like shift workers, had6 v) O1 k" P7 t! j
higher levels of breast cancer.tvb now,tvbnow,bttvb1 T# a- G5 L/ b1 f8 |, n) @6 ~
% V$ ]' F7 r& s1 R
Blind people, who are not vulnerable to fluctuations of melatonin, have
# H" L0 I$ V4 E/ {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。lower rates of cancer, it was found.! Y2 v* Y4 S4 ]" E4 A$ E
tvb now,tvbnow,bttvb6 h8 J0 H ~% @
Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark. ~* q7 \; z6 E3 I3 Q/ \ U- ]- t
|
發表於 2008-8-1 11:02 AM
| 
