|Description:||This image depicts a group of school children who were seated in the lunchroom of a metropolitan Atlanta, Georgia primary school taking their daily lunch break during their school day activities. These students could have brought their own lunches from home, or, as an alternative, they were given the opportunity to purchase their healthy meals from the school’s cafeteria, a process that can be seen in PHIL images 18500 through 18515. This girl was photographed as she was taking a drink of what appeared to be water, from her magenta-colored plastic drink container, while consuming a lunch that she’d brought from home.|
Healthy people meet their fluid needs by drinking when thirsty, and drinking fluids with meals, but if you're outside in hot weather for most of the day, or doing vigorous physical activity, you'll need to make an effort to drink more fluids.
You need water to replace what your body loses through normal everyday functions. Of course, you lose water when you go to the bathroom or sweat, but you even lose small amounts of water when you exhale. You need to replace this lost water to prevent dehydration.
Your body also needs more water when you are:
- In hot climates.
- More physically active.
- Running a fever.
- Having diarrhea or vomiting.