KIDS who sleep with the light on could risk leukaemia, parents weretvb now,tvbnow,bttvb. h0 V. g+ i) n- S- k! S
warned yesterday.
" c y3 B5 J- ~5 V$ ]& Y: XTVBNOW 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。
. h3 z- h8 {: Y) v( Dwww3.tvboxnow.comScientists have found the body needs darkness to produce a chemical; M2 e6 R5 u) W6 n; |: b
that fights cancer.
4 F$ V/ I9 U& M. ^/ y1 Y- x6 D" X公仔箱論壇tvb now,tvbnow,bttvb9 P, W/ F! n( \; l; b
Even switching the light on for the toilet, staying up late, travellingTVBNOW 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 E$ v( Q8 o' j+ m+ d' N
across time zones, or the light from street lamps can stop enough
" t# \, N- s0 b/ V1 e* qTVBNOW 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。 melatonin being made, they say.
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The body needs the chemical to prevent damage to DNA and its absencetvb now,tvbnow,bttvb4 `2 G3 x5 ^( P
stops fatty acids reaching tumours and preventing them growing. Texas
: p2 g$ @- s- n4 h* V1 ~University Prof Russell Reiter, who led the research, said: 'Once you
( S9 _6 _: ?- V; bgo to bed you should not even switch the light on for a minute.. _$ E4 X* _1 K, z; b. U! M/ H0 S
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'Your brain immediately recognises the light as day and melatonin
$ q( J4 O k$ w% x* _1 clevels drop.'' n. p2 a* u, v2 v' X1 Q
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Rates of childhood leukaemia have doubled in the past 40 years.
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About 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday
2 r, c$ u2 z6 x0 }3 R" t, A( Qtvb now,tvbnow,bttvbheard that people were being subjected to more light at night thanwww3.tvboxnow.com+ u: _0 `* h5 B6 G' X/ v
ever..
8 M3 z0 z% \% w& `- Xtvb now,tvbnow,bttvb
* I' h$ O" F. t* y! S# uThis suppressed the production of melatonin which normally happens between 9pm and 8am.
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: S; [9 q& l' {+ i. _+ g) l公仔箱論壇Past research has shown those most affected, like shift workers, had
( n1 f4 u) g/ {- Bhigher levels of breast cancer.
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Blind people, who are not vulnerable to fluctuations of melatonin, have
) _0 U$ V/ K# ]9 ~& |lower rates of cancer, it was found.www3.tvboxnow.com4 J7 D# U4 j7 b' ~" V5 Y
( U- e, H6 j4 V9 _8 ?Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.5 L) m; w* b$ Q! M
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發表於 2008-8-1 11:02 AM
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