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A trending wellness discussion revolves around a straightforward question: is drinking warm water healthier than cold water? The scientific insights into this topic reveal it’s more complicated than it seems.
Previous studies indicate that the temperature of food and beverages can significantly influence factors such as anxiety and digestive discomfort.
One of the most enduring beliefs is that consuming ice-cold water can enhance calorie burning by compelling the body to warm it up. While this notion is supported by scientific evidence, the actual effect may be minimal.
Experts argue that the health implications of water temperature hinge on individual objectives—be it weight loss, athletic performance, digestion, or personal comfort.
Does Cold Water Enhance Weight Loss?
According to research, energy expenditure increases marginally by 2.9% after consuming cold water and by 2.3% after room temperature water over a 90-minute period, says Tanya Freirich, a registered dietitian and diabetes expert from North Carolina, in an interview with Fox News Digital.
Additional hydration may help curb appetite and could play a role in energy production and expenditure, experts suggest. (iStock)
While it is true that the body uses energy to heat cold water, Freirich pointed out that this energy expenditure is “not significant enough to justify it as a method for weight loss.” Moreover, drinking hot water does not literally “melt” fat, she mentioned.
For those focused on weight management, she encourages prioritizing “how much” water is consumed rather than “how cold” it is. She referenced research involving overweight women who drank an extra 1.5 liters of water daily. Over eight weeks, these participants experienced measurable weight loss.
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“The additional water may help suppress appetite or contribute to energy production and expenditure,” Freirich explained. The temperature of drinking water should not impact how nutrients are utilized by the body, though she acknowledged that further research is needed in this area.
For individuals who are exercising in warm and humid conditions, the aim should be to rehydrate effectively without losing too much fluid through sweat. Studies on thermoregulation indicate that there is an optimal water temperature for athletes.
Experts assert that the temperature of drinking water does not affect nutrient utilization by the body. (iStock)
Drinking water can induce sweating as the body regulates its temperature, and it has been found that a temperature of 60.8 degrees Fahrenheit correlates with the least perspiration.
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“Cool, but not cold,” emphasized Freirich. Consuming water within this specific range aids in effective hydration without inducing gastrointestinal distress.
Benefits of Warm Water for Digestion
Choosing warm water can be beneficial for several reasons, including its calming effects and benefits for digestion. Studies indicate that warmer liquids can accelerate gastric emptying, effectively stimulating the gut.
The advantages may also be psychological. Freirich points out research suggesting that consuming hot black tea can lower cortisol levels—the primary stress hormone—and induce greater relaxation after stressful tasks.
The choice for warm water often relates to its soothing effects and its positive impact on digestion. (iStock)
Potential Medical Issues
Freirich cautions that very cold water may pose challenges for individuals with swallowing difficulties or could trigger migraines and “brain freeze” for those with sensitive nerves.
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Additionally, individuals with irritable bowel syndrome (IBS) might discover that icy drinks can exacerbate digestive discomfort.
Ultimately, the best water temperature is the one that encourages optimal fluid intake, according to the dietitian. Adults are generally advised to drink seven to eight glasses of water daily.
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“Above all, it’s essential for everyone to remain adequately hydrated,” Freirich emphasized.
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