KIDS who sleep with the light on could risk leukaemia, parents were
$ b, M5 f' u$ M) J1 p( N2 _warned yesterday.tvb now,tvbnow,bttvb' H2 S, {7 @$ _) o% ]" m8 N' L' H8 H
6 X! L& g) w9 a. `; _
Scientists have found the body needs darkness to produce a chemical
) R. k$ u$ Y: L5 }3 e! d. n& Bthat fights cancer.
4 V8 y9 ^2 y) i1 X, Gtvb now,tvbnow,bttvb
' L: @8 G( F3 gtvb now,tvbnow,bttvbEven switching the light on for the toilet, staying up late, travelling
4 U1 K$ E- g H4 ^8 d/ Uacross time zones, or the light from street lamps can stop enough
. d; \6 v. U2 P" D melatonin being made, they say.* I8 Y! {1 L! i. n; ^- p6 b- h
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 b7 X4 T* K, t
The body needs the chemical to prevent damage to DNA and its absence5.39.217.77:8898* s8 h& y2 I6 G; u
stops fatty acids reaching tumours and preventing them growing. Texastvb now,tvbnow,bttvb% U1 R! F: D# b+ F! C, @
University Prof Russell Reiter, who led the research, said: 'Once you; u0 F# [! q2 f s8 h
go to bed you should not even switch the light on for a minute.tvb now,tvbnow,bttvb) U8 x1 I2 \4 O1 a) X
' Y: G+ v% x, \: m$ _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。'Your brain immediately recognises the light as day and melatonin* s, R6 Z7 ]- @4 I
levels drop.'
4 q0 M! V9 G3 ~$ i: P1 P; tTVBNOW 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。 K: J V: h& w/ i, _
Rates of childhood leukaemia have doubled in the past 40 years.tvb now,tvbnow,bttvb: N; V4 R7 M6 F" B
& o' J+ T8 {# r$ b5 @% N1 RAbout 500 youngsters under 15 are diagnosed with the disease each year and around 100 die. A conference on childhood leukaemia in London yesterday公仔箱論壇5 y! d) g0 `0 }& v, n/ q
heard that people were being subjected to more light at night than! c9 p# j: Z6 N2 o1 c! e( ~
ever..5.39.217.77:88989 m0 t2 c1 Y7 B! `$ M$ p
tvb now,tvbnow,bttvb5 J2 T1 V, v3 j" a
This suppressed the production of melatonin which normally happens between 9pm and 8am.
: v4 i- u: F: C4 v( Y' _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。
- B# j- ~, s O: K* ]! ]6 p5 SPast research has shown those most affected, like shift workers, had0 j a u: ?. T) L) u
higher levels of breast cancer.公仔箱論壇 z' O, p3 N8 ~# }1 U/ D. O
1 z% n+ D) F; P0 S. d( F6 e8 G( RBlind people, who are not vulnerable to fluctuations of melatonin, have
2 d( L, H5 b6 F; ?. jlower rates of cancer, it was found.
' p! I8 p$ z* Y$ |& O. k( l% G
' [: V% J# ^, L2 q9 l+ `9 ^5.39.217.77:8898Parents are advised to use dim red or yellow bulbs if their youngsters are scared of the dark.
, S. J8 m2 J4 j) |- ^+ J8 g& Q# H |
發表於 2008-8-1 11:02 AM
| 