Did you know that you could survive for about three weeks without food, but only three days without water?
Water accounts for two thirds of our body weight. Our brain cells are 80-90% water, our muscle cells are 60-70% water and our blood is over 50% water.
Water is involved in nearly every body process including:
o Transporting and carrying nutrients between cells in the body
o Exchanging oxygen in the air we breathe with carbon dioxide which our cells produce and must be excreted through the lungs .
o Excretion of waste products through urine, sweat and tears .
Water keeps your skin healthy and helps to reduce wrinkles . Water helps reduce your chances of a headache and can help to get rid of a headache .
How much water do we need?
The simple recommendation is...more than you are drinking now!
The ‘scientific’ recommendation is...1l of fluid for every 25 kg of bodyweight and 1l extra for every hour of exercise .
Each day we lose around 1.5l of water through urine, breathing, sweat and tears – this increases greatly in warmer conditions and with exercise .
Did you know that if you feel thirsty, then you are already dehydrated?
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