Water is an essential nutrient that our body requires every day. Without water human life cannot be sustained. Water deprivation kills faster than lack of any other nutrient. People don’t realize the important role of water in the body function.Water facilitates the transportation system of the body. It is the medium by which all the other nutrients and other essential elements are distributed to every part of the body. Water also transports the waste from the body. The body looses water in the form of swear during exercise and vigorous physical activity. It is also lost a urine which accounts for three quarters of the body water loss. Dark yellow urine indicates dehydration and means that we should consume more water.
Water comes from a variety of sources. All beverages, juices and fluids we consume are sources of water for our body. Even solid food contains water. Vegetables such as cucumber, lettuce and celery may have up to 90% water. Protein rich food such as meat and fish could contain two-thirds to one half of their water. Even carbohydrates like grains, although do not appear to be watery could contain water as much as one third of their weight. fats such as butter or margarine contain very little water. Some water may come from within our body because of energy metabolism but the amount is insignificant. Although juices, milk and beverages increase fluid intake but plain water is the best source. Most beverages contain some sugar, natural or added, this will have an effect on our body weight. Drink water throughout the day at regular intervals. If we consume too much water just before going to bed, it may interfere with the sleep. Feeling of tiredness and migraine, even without other symptoms, may indicate dehydration. It would help to sip one or two glasses of water. If this feeling does not go off then it will be due to some other reasons and require medical assistance.
Percentage of water in human body
According to H.H Mitchell. Journal of Biological Chemistry 158, the brain and heart are composed of 73% of water, and the lungs are about 83% of water. The skin contains 64% of water, muscles and kidneys are 79% and even the bones are watery about 31%.
Each day human must consume a certain amount of water to survive. Of course, this varies according to age and gender, and also by where someone lives. Generally, an adult male needs about 3 liters per day while an adult female needs about 20.2 liters per day. In general, women have a lower body water percentage than men. This is because women have more tissue than man. The ideal percentage for adult women will fluctuate between 45 and 60%, while the ideal percentage for adult men will be between 50 and 65% of the total body. All of the water a person needs does not have to come from drinking liquids, as some of this water is contained in the food we eat.
What happens if we don’t consume water
Any deficit in normal body water-through dehydration, sickness, exercise or heat stress can make us feel rotten. First we feel thirsty and fatigue, and may develop a mild headache. This eventually gives was to grumpiness, and mental and physical decline.
Disadvantages of water
It is said that too much consumption of water can lead to fluid overload in the body and imbalance in the body. Excess water can lead to lower sodium levels in the body, which may further lead to nausea, vomiting, cramps, fatigue, etc. This condition is known as hyponatremia.