We have learned from our childhood, we should drink at least 8 glass of water per day. Our body consist 60% of water. And constantly, we lose it either via urine or sweat. So, we were recommended to drink at least 2 liters 8 glass of water a day. But many people found it difficult to do. But, according to a new study, we should drink water only when we are thirsty.
Here an obvious question arises, then how much an amount of water we should drink a day?
Although there is no scientific proof that pinpoints to consume 8 glass of water 2 liters a day. According to the Institute of Medicine (IOM), women should drink the water of around 2.2 liters of total beverages daily (around 9 cups), while men should consume around 3 liters of total beverages daily (around 13 cups).
But this new research suggests that we should only drink water when we are thirsty. Scientists conclude this after discovering a mechanism that makes drinking excess water challenging.
Scientists enrolled a number of people and asked them to drink large amounts of water immediately after exercise when they were thirsty. Later on the next day, they asked participants to drink water, when they were not thirsty.
After each condition, scientists asked them to rate how difficult it was to swallow water. Scientists used functional magnetic resonance imaging (fMRI) on each of the participants. It allows them to measure used functional magnetic resonance imaging (fMRI) on each of the participants.
They found that certain areas of the right prefrontal cortex of the brain showed significantly higher activity when participants had to make an effort to swallow the water. It suggests that this brain region cancer the swallowing inhibition allow excess water consumption.
Michael Farrell said, “Here, for the first time, we found effort-full swallowing after drinking excess water which meant they were having to overcome some sort of resistance. This was compatible with our notion that the swallowing reflex becomes inhibited once enough water has been drunk.”
Scientists then worried about drinking too much water can cause significant harm. it may lead to hyponatremia. For instance, blood sodium level gets low.
Farell said, “There were cases when athletes in marathons told to load up with water and died. In certain circumstances, because they slavishly followed these recommendations and drank far in excess of need.”
“If we just do what our body demands us to we’ll probably get it right. So, just drink according to thirst rather than an elaborate schedule,” he added.
According to researchers, their findings suggest that when it comes to water intake, we may fare better by listening to the body’s needs.