Water is very important in keeping your body healthy.
: H( T! X8 _" i2 b; [& u' S6 n8 [4 Z8 P5.39.217.77:8898Seventy percent of your body weight is water, so it is important to make sure that you supply your body with plenty of fluids.
1 |. P: [6 [7 S) P HWater serves many purposes in your body including keeping blood clean, keeping skin soft and stretchy, and cooling you off when you become overheated.
9 @ H5 k# E, T! 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。When you exercise, water is most important in cooling.
, Z$ L! Q3 J% u9 }6 ^) QWater is used in what we call the perspiration process.
, Z3 m& S- H. b* Q8 }! ytvb now,tvbnow,bttvbThe 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.
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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.
: ^* F* ]; b5 c* O; @ XTo help keep your body cool on humid days, drink cold water many times a day.
3 U: X2 k. i3 A' q* V! PTVBNOW 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。So how much water should you drink?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- r( j7 a( X5 C2 y8 A
You should aim to drink 8 glasses of water each day.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。/ l+ j) W1 {7 L; E
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        Eight glasses looks like a lot of water for one day, but don’t forget, milk and juice count too.公仔箱論壇- h$ l. O8 Q% u3 j1 W# ^
Sports drinks also count, but not drinks with caffeine.
8 n) p$ _2 {& C; F9 V# L$ s% F0 yDrinks with caffeine, like soda, force more water to leave your body, so there isn’t as much water to help cool your 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。% ?; q" e1 F v S6 [: d- M! R- _
 Here are some simple ways to drink water throughout the day:
$ A/ y2 h' b! M' o- y) X7 h公仔箱論壇  1 glass with each meal
0 O( F5 l5 r: b3 P& ]' g  1 glass each time you brush your teeth
7 m( d! @; a+ j" V3 x% E: G  1 glass after you exercise
! [" F* d) q( I1 h& _5.39.217.77:8898  1 glass after school 5.39.217.77:88985 r, m* H/ {) `: T) A
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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. * _: ?1 H1 K" {2 Y2 n
During exercise:
/ I G! G, ?* j2 x$ R: kAn athlete should drink about half a glass (3-4 oz) of cold water every 15 minutes.
/ Z' O7 _9 l7 k! _1 m" eTVBNOW 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。
' C0 {, U, q) }- i5 MAfter exercise:
0 q1 f4 X+ e" T+ z- X: lAn 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.* z$ G" O f8 e1 o `, }2 |. l p
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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
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