That gulping sends a message to the brain that water has been consumed, quieting the neurons that generate the urge to drink. But that happens regardless of whether the substance gulped was water or oil, suggesting that the act of gulping only briefly convinces your brain that your thirst is quenched.

What makes something thirst quenching?

When it comes to quenching thirst, nutritional scientist Paul Breslin has found, it's all about temperature and carbonation. ... Soldiers, laborers, and elderly people are especially vulnerable to dehydration, and coldness and carbonation might make it more rewarding for them to drink more.

Why does sugar quench my thirst?

Sugar, after reaching our stomach, flows into our bloodstream. This makes the body cells release water to restore balance in the blood. As cells lose their water, they send signals to the brain, which, in turn, induces the urge to drink.