75% of the body is made up of water
80% of the brain is made up of water
75% of the muscles are made up of water
92% of the blood is made up of water
Water carries the nutrients and oxygen to all cells in the body
Water regulates the body temperature
1% dehydration results in thirst
There is a 10% decrease in your mental performance when you feel thirsty
2% dehydration reduces your ability to work
4% dehydration results in lethargy, apathy...
If you are dehydrated you are more likely to have trouble in concentrating, be more irritable and have more headaches
It is important to drink after exercise, or if you have been sweating
The best drink for your body is water. Sports drinks are good if you exercise for more than 40 minutes. Milk and juice are healthy, but they contain calories. (Water has no calories.)
Fizzy drinks are not the healthiest choice and will actually make you dehydrate faster, so avoid these if you are doing a lot of sport.
Always read the labels and know what you are consuming.