When temperatures rise, staying hydrated isn't just about comfort, it's about health. According to the CDC, heat-related illnesses affect hundreds of thousands of Americans every summer, and proper hydration is one of the most effective ways to prevent them. But here's what most people don't know: cold drinks aren't just more refreshing, they're actually more effective at cooling your body down. A 2012 study published in the journal Acta Physiologica found that drinking an ice slush beverage before and during exercise in the heat significantly lowered core body temperature compared to drinking cold water alone. In other words, a slushy isn't just a treat, it's science.
The Physiology of Staying Cool
Your body works hard to regulate its core temperature, especially in the heat. When you consume something cold, your body absorbs that thermal energy and uses it to lower your internal temperature, a process researchers call "internal cooling." Slush beverages are particularly effective at this because they require more energy to warm up than liquid water does, thanks to the latent heat of fusion. A SlushyFun cup, in partnership with Frozen Magic, is designed to maintain that icy consistency longer than a standard cup, so every sip does more work to keep you cool than a regular cold drink would.
Hydration You'll Actually Want to Drink
Research consistently shows that people drink more when they enjoy what they're drinking. A study in the Journal of the International Society of Sports Nutrition found that flavored, cold beverages significantly increased voluntary fluid intake compared to plain water. That matters because even mild dehydration — as little as 1-2% of body weight — can impair cognitive function, reduce physical performance, and worsen mood. When your drink tastes good and stays cold, you drink more of it. And when you drink more, your body performs better. It's that simple.
Built for the Way You Actually Live
A SlushyFun cup isn't just scientifically sound, it's also practical. Available in multiple colors and built to keep drinks colder for longer, it fits into every part of your summer. Road trips, pool days, backyard BBQs, or just surviving a hot afternoon at home. You control exactly what goes in it. Whether you're an athlete looking for a performance edge or just someone who wants a cold drink that stays cold, the science is clear. A slushy cup is the smartest summer upgrade you can make.
Ready to chill? Shop SlushyFun now.
Sources:
- CDC: Heat-Related Illness — cdc.gov/niosh/topics/heatstress
- Siegel, R. et al. (2012). "Ice slurry ingestion increases core temperature capacity." Acta Physiologica.
- Passe, D. et al. "Impact of beverage acceptability on fluid intake during exercise." Journal of the International Society of Sports Nutrition.