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Date Posted: 04:49:12 03/25/04 Thu
Author: Richard Johns
Subject: Re: Thrist Guidelines
In reply to: J.R.Smith, c.f.t. ISSA 's message, "Thrist Guidelines" on 04:47:05 03/25/04 Thu

Hey guys,
Thanks for all the info you have been putting up. I have really learned here and have been able to apply a lot of it to my daily routines.

Thanks and keep up the great work.


>Thirst guidelines from...
>Reuters Health
>
>NEW YORK (Reuters Health) - Are you getting enough
>water? Relying on thirst to tell you may not always be
>the best guide, sports medicine experts say.
>
>Earlier this month, the Institute of Medicine said
>people can generally depend on thirst to let them know
>how much fluid to drink each day, but the American
>College of Sports Medicine (ACSM) is emphasizing that
>this may not be optimal during prolonged exercise or
>hot weather.
>
>"Our fluid intake is mostly behavioral," said Dr. W.
>Larry Kenney, the president of the ACSM. "On a daily
>basis, people drink when they eat meals, when they get
>a little thirsty, when they walk past a water
>fountain."
>
>Most of the time, people can safely rely on thirst to
>judge how much fluid they need, but "during heavy or
>prolonged exercise or long summer periods of hot
>weather, thirst doesn't accurately tell the body how
>much fluid has been lost via sweating," Kenney told
>Reuters Health. Under those circumstances, drinking
>should be encouraged, said Kenney, who is a professor
>of physiology and kinesiology at Pennsylvania State
>University.
>
>To prevent drinking too little or too much water,
>Kenney advised exercisers to weigh themselves before
>and after exercising.
>
>"Strive to drink enough to get back to beginning body
>weight," he said.
>
>The Institute of Medicine report declared that,
>despite concerns about being properly "hydrated," most
>Americans consume plenty of fluids each day. The
>Institute, an independent group of experts that
>advises the federal government on health issues,
>recommends that women consume about 91 ounces (2.7
>liters) of water a day and that men drink about 125
>ounces (3.7 liters) per day.
>
>According to the Institute, water contained in food,
>coffee, beer and other drinks all count toward the
>recommended daily amount.
>
>In line with the ACSM recommendation, the Institute of
>Medicine noted that people who are very physically
>active or who live in hot climates may need to drink
>more water.
>
>In the mid-1990s, the sports medicine group issued
>recommendations on exercise and fluid replacement. The
>group advises exercisers to eat a nutritionally
>balanced diet and drink adequate fluids during the day
>before exercise or an athletic event. About 2 hours
>before exercising, people should drink about 17 ounces
>(500 milliliters) of fluid, according to the
>guidelines.
>
>During exercise, people should drink early and at
>regular intervals to make sure that they replace all
>water lost through sweating, according to the ACSM. To
>make drinking more appealing, the group recommends
>consuming cold water. Flavored drinks may also
>encourage athletes to drink enough fluid, the
>guidelines note.
>
>For people who exercise for less than an hour, there
>is little evidence that sports drinks with
>electrolytes and carbohydrates are necessary,
>according to the ACSM. Sports drinks may be
>appropriate for people exercising for longer than an
>hour, however, the group notes in the recommendations.

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