Reason behind the truth is that ingestion of cold water helps in lowering down the body temperature and for shooting it back to 37 degrees - normal temperature, energy is required by your body. Thus calories are burned to acquire that required energy.
The theory states that one can easily burn additional amount of calories by consuming additional amount of cold water as it will boost the requirement of energy in your body.
Numbers of physicians don't admire this theory as they find 5 pounds loss very insignificant and assume that one can easily lose 5 pounds by working out for an hour or more. But dieticians feel attracted to this theory as it doesn't require any bodily stress and can simply be achieved by consumption of cold water.
Additionally when cold water runs down a person's throat to the stomach, it blows and contracts the arteries present all around your organs, thus reduces the flow of blood in the organs. When the entire process takes place in your stomach, the excretion of gastric juices is reduced and the absorption of food and nutrition are adversely affected.
But if the same process occurs to the arteries that surround your heart, a quick tightening occurs which reduces or cuts off the supply of oxygen in your heart. Subsequently, your life is at a risk of heart attack.
Other harmful effects that can occur due to consumption of cold water may include:
Discomfort in sensitive teeth
Migraine
Sore throat or even bad cough
Cramps in menses
Whatever the case may be whether Does drinking cold water burn calories the person consuming is in good health or not, it is always advisable to experiment this theory at room temperature. To avoid additional consequences you can also opt for Luke warm water as well.
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