Dehydration can be deadly; the amount of water you need to stay healthy depends on a variety of factors.
If you have a runny nose and a fever, you'll need to drink more to replace those lost fluids. But why?
Dehydration is big problem in some sports because you don't feel like you're losing water.
During strenuous exercise you should drink all the water you can, right? Wrong. Learn more on this Moment of Science.
What does "freezer burn" mean and how can you prevent it?
Can men handle alcohol better than women? Find out on this Moment of Science.
Ever wonder how long your body could function without water? Find out on this Moment of Science.
When immune cells detect an infectious organism, they produce fever-making chemicals. These chemicals prompt the body to produce prostaglandins, which turn up the thermostat in the brain.
When you have a cold or flu, the doctor (or Dr. Mom) may tell you to drink lots of fluids. But did they ever explain why you need to guzzle all that water and juice?The extra fluid helps prevent dehydration, which can make you feel even worse, and make it harder to get well.