Water Sustains Life - Page 14 of the book - 'How To Stay Sane In A Crazy World'

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Water is stored all over us, in our brain and our body, in our liver, kidneys, stomach, bladder, spinal fluids: everywhere! However, more than half is actually inside our cells. As a car engine must have water to function, so every single cell in the human body is dependent on water. Humans can only survive a few days without water.

The body needs water to transport water-soluble nutrients to organs in the body, to transport toxins and waste products out of the body via urine, and to send electrical messages between cells. For example, water allows organs to function, muscles to contract and relax, and for eyes to focus on images. Water also controls our body temperature, it is necessary to digest food and drink, to lubricate our joints and to keep our tissues healthy and pliable.

Only 1% dehydration is a key factor in the cause of headaches, loss of focus, fatigue and poor mood. Thirst is a poor, early sign of dehydration. By the time we feel thirsty, we may already be dehydrated and thirst can be quenched before the necessary body fluids have been replaced. Even slight dehydration impacts brain function, mood and energy; and can produce symptoms of memory loss, mental confusion and dissociation.

Air-conditioning, coffee, alcohol, caffeinated drinks, cigarettes and energy stimulating foods all dehydrate our bodies. Blood loss, vomiting and diarrhea, fever, shock, burns, hypothermia, excessive use of drugs and stimulants, over-consumption of alcohol, infectious disease, malnutrition and diabetes can also cause dehydration. Dehydration can lead to weight gain, while hydration is essential to weight loss.