Articles
Water: How much should you drink every day?
Health benefits of water
Factors that influence water needs
Beyond the tap: Other sources of water
Staying safely hydrated
Content
What are the health benefits of water?
How much water do you need?
What about the advice to drink 8 glasses a day?
Is water the only option for staying hydrated?
How do I know if I'm drinking enough?
Should I worry about drinking too much water
Health benefits of water
Water is your body's principal chemical component and makes up about 60 percent of your body weight. Your body depends on water to survive.
Every cell, tissue and organ in your body needs water to work properly. For example, water:
- Gets rid of wastes through urination, perspiration and bowel movements
- Keeps your temperature normal
- Lubricates and cushions joints
- Protects sensitive tissues
Lack of water can lead to dehydration — a condition that occurs when you don't have enough water in your body to carry out normal functions. Even mild dehydration can drain your energy and make you tired.