Remeber the last time you ate something salty? You probably felt extremely thirsty the last time you polished off an order of McDonald's fries or a big bag of chips. That's because your body triggered a reaction to balance out your bloodstream after you consumed a lot of salt. When you eat something sweet, When you eat something sweet, it triggers the same reaction, and, thus, you reach for that glass of milk.
Another reason you need to quench your thirst, according to Indiana Public Media's Moment of Science, is because the particles in your dessert start to suck away water from your cells when they enter the bloodstream. We need water to live, so your cells will fight to hold onto the water. This reaction sends chemical alerts to your brain, telling you to drink something.
But let's say you're the type of gal to reach for a sweet drink with your desserts. Maybe you have the mindset that if you're going to treat yourself to that cake, you're going to go all out and have that Diet Coke, too. In that case, you may want to stop yourself and get a glass of water instead.
We know, not fun, right? But according to Dr. Caroline Apovian, a sweet drink might not actually curb your thirst. "You’re not only confusing your energy balance system by putting more sugar into your body, but also getting a load of empty calories," she told Health.com.
So, now you know! The next time you peel open a new box of Oreos, be sure to also grab a big glass of good 'ol water.