|Description:||With his mother at his side, this young boy had taken a short break, during a day of play at a local playground, to take a drink of cool water from the park’s water fountain. Note that he was wearing a darkly-colored t-shirt, and denim shorts, which help protect his skin from the sun’s harmful rays. He was also wearing a coating of sunscreen on his sun-exposed skin (see PHIL 14062).|
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.