When I am thirsty, there is nothing better than a cold glass of water. But, why do I always reach for a sugary soda instead of water when I want something to drink? Whatever the reason, it's time to stop a go back to drinking water.

Cosmopolitan has come up with some of the benefits of drinking water, from making you smarter, to helping your skin look younger, and improving your exercise. It's really no secret that drinking water is great for you, so if you still need some convincing check out these perks of drinking H2O!

1. Water makes you even brainier
Students who sipped water during an exam scored better than those who did not, a study found. Dehydration can elevate levels of the stress hormone cortisol. Plus, drinking water improves concentration.

2. It helps you exercise harder
Drinking ice-cold water before a workout can help you last longer, according to a review of studies. Pre-cooling your body wards off heat induced fatigue and increase tolerance for steamy conditions.

3. It makes your metabolism whir
People who drink only 32 ounces of water a day burn fewer calories than folks who drink the right amount, according to a University of Utah study. Hydrated cells function more efficiently.

4. It keeps your skin looking good
Hydrated cells are better at balancing oil production, says Howard Murad, M.D., author of The Water Secret. So skin looks smoother, fresher, and less puffy.

The next time you are thirsty, grab a glass of cold, ice water to quench your thirst and look great! Wish me luck!

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