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February 24, 2022 Thursday 01:54:35 PM IST

Are You Thirsty?

Health Monitor

When we are thirsty, we drink water. But the science behind that decision is pretty complicated.

Our brain needs to make sure that we need to consume the right amount of water. There are many checkpoints in our body and brain which send warning signals if the amount 

we consume is less. the first checkpoint is our mouth. When we gulp down water it gives a refreshing signal to the brain. Then your brain needs to know how much water you are taking in to figure out when you should stop. The act of swallowing acts like a meter, which the brain monitors to quickly determine now how much fluid is entering the body.

There is a second checkpoint in the intestine, to make sure that you drank water. The intestine is responsible for moving water into the bloodstream, where there is yet another checkpoint. when the water enters the intestine, a hormone is produced which sends signals to the brain indicating that we are drinking water. And all of these checkpoints provide information to the brain that affects how thirsty we feel. So there is a complex neural mechanism behind this simple task.