Water is very important in keeping your body healthy.! {/ s' q8 \. [" V
Seventy percent of your body weight is water, so it is important to make sure that you supply your body with plenty of fluids.
- o, p U; w1 h) Q( m5 Ctvb now,tvbnow,bttvbWater serves many purposes in your body including keeping blood clean, keeping skin soft and stretchy, and cooling you off when you become overheated.
+ J2 ^8 u/ m& ?" F# ctvb now,tvbnow,bttvbWhen you exercise, water is most important in cooling.公仔箱論壇2 _# R1 w1 O; M% R, t1 D
Water is used in what we call the perspiration process./ o' N3 b8 f$ p, E% F5 W
The perspiration works like this: first the body uses water to produce sweat; then the sweat on the skin evaporates (or dries up), when the sweat dries, it cools off the body. 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。; P5 p3 M; {) i! {1 b T
On humid days (when it feels sticky and wet outside), the perspiration process may not work well enough to keep your body cool, since the sweat we make doesn’t dry up as well." Y* p, y0 W7 s: a
To help keep your body cool on humid days, drink cold water many times a day. tvb now,tvbnow,bttvb$ W5 N* a, W) e6 ?6 E) f8 N# U4 W
So how much water should you drink?公仔箱論壇8 W! f) Y/ L; Q, P
You should aim to drink 8 glasses of water each day.
# {- e* t# E( X) H0 t/ Q( Q8 I) s: G
        Eight glasses looks like a lot of water for one day, but don’t forget, milk and juice count too.
5 k# k: {2 s: A2 k) ~+ Vwww2.tvboxnow.comSports drinks also count, but not drinks with caffeine.tvb now,tvbnow,bttvb! [9 U; w' k* Z1 T7 ^' J6 e" P( n
Drinks with caffeine, like soda, force more water to leave your body, so there isn’t as much water to help cool your body. 公仔箱論壇4 }2 [1 Q0 i( Z0 n" t _; q, p r
 Here are some simple ways to drink water throughout the day:
0 O0 k7 q6 u' t5 f* _5 ~1 B  1 glass with each meal - N f% ]+ }1 w! [& v! s1 I: _
 1 glass each time you brush your teeth
1 P0 Q/ S) B [6 `# nwww2.tvboxnow.com  1 glass after you exercise www2.tvboxnow.com) w6 A! N' V8 f7 Y' b
 1 glass after school www2.tvboxnow.com5 m9 L' L7 W4 Z6 s# B! t
4 ], V- [& H S
Keeping yourself hydrated is especially important when exercising. Follow these tips to prevent dehydration. Before exercise: An athlete should drink about 1 to 2 glasses (10-14 oz) of cold water 1-2 hours before activity and a little more than 1 glass (10 oz) of cold water 10-15 minutes before activity.
5 m+ D+ y7 o5 r4 x8 CDuring exercise:
' b9 ~0 i! s( c9 k+ n; L; |公仔箱論壇An athlete should drink about half a glass (3-4 oz) of cold water every 15 minutes.
- ?$ @( N# ?! q/ O0 `公仔箱論壇: O' q) u2 a2 x9 V7 U
After exercise:tvb now,tvbnow,bttvb3 t2 G" ?4 ~7 H ^- Q
An athlete should drink 2 glasses (16 oz) of cold water for every pound of body weight loss. If no weight was lost an athlete still needs at least 2 glasses to stay hydrated.
% a# K" ^) { d5 V! A' X( p5 Ttvb now,tvbnow,bttvb
% p! T8 E7 d1 S D4 Z9 F0 H公仔箱論壇All individuals should drink water BEFORE they are thirsty because the thirst response occurs after dehydration has already taken effect in the body. |
發表於 2007-12-3 09:27 AM
| 
