
HYDRATION
318 Americans die every year due to heat-related illnesses (CDC). Most of these deaths are preventable.
Being exposed to high heat for a prolonged time can lead to heat exhaustion and heat stroke.
Most at risk for heat-related problems include:
1. Children
2. Athletes and exercisers
3. Outdoor workers
4. Elderly
Signs of dehydration
o Thirst
o Flushed skin
o Fatigue
o Increased body temperature
o Faster breathing and heart rate
o Dizziness
o Weakness
o Labored breathing
Monitor hydration
o Urine color: first morning urine is best indicator of hydration status. Dark colored urine (apple juice, ice tea) is sign of dehydration. Urine may change colors after taking vitamin supplement - not an indicator of hydration status.
o Body weight: monitoring weight after first urine is best time to monitor weight. May be less effective in females due to menstrual cycle.
o Sweat loss: measure body weight before and after exercise
Fluid losses are increased by
o Air temperature
o Exercise intensity and duration
o Body size and gender (men)
o Fitness level - well-trained athletes perspire more
Sports drinks
o Only need if you are engaged in intense physical activity for more than 1 hour without stopping
o However, if you are more likely to drink more fluids due to taste of sports drink, that is better than nothing
Drink before you're thirsty and drink on a schedule if outside for a long time
Avoid caffeine and alcohol - both increase urine production, therefore affecting hydration
Can lose ~ 11 cups of fluid during exercise
Adult recommendations
o 13 cups for men and 9 cups for women per day
o 17-20 ounces before
o 7-10 ounces every 20 minutes
o 24 ounces after
o **one adult-sized gulp = 1 ounces
Child Recommendations
o 4-8 ounces before
o 5-9 ounces during
o 24 ounces after
o **one child-sized gulp = ½ ounce
![]() ![]() | All content © Copyright 2000 - 2013 WorldNow and KWWL. All Rights Reserved. For more information on this site, please read our Privacy Policy and Terms of Service. Persons with disabilities who need assistance with issues relating to the content of this station's public inspection file should contact Administrative Assistant Sandy Youngblut at 319-291-1259. Questions or concerns relating to the accessibility of the FCC's online public file system should be directed to the FCC at 888-225-5322, at 888-835-5322 (TTY) or at fccinfo@fcc.gov. |