How A Hot Beverage Actually Cools Down Your Body (Yes, It's True) - Tasting Table
Briefly

Drinking warm beverages can help cool the body, as it stimulates perspiration. When the body sweats, evaporative cooling occurs, which effectively reduces temperature. This process, where liquid converts to vapor, absorbs heat and aids in cooling. The success of evaporative cooling largely depends on humidity levels; lower humidity allows the air to absorb more vapor, enhancing the cooling effect. Although warm drinks may slightly increase core temperature, they ultimately encourage sweating, which cools the body more effectively when conditions are right.
Drinking warm beverages on hot days can actually help cool your body down by inducing perspiration, which evaporates and cools your skin.
As liquid water transforms into vapor, it absorbs thermal energy from the surrounding area, which is how perspiration helps with cooling.
The effectiveness of evaporative cooling is largely dependent on humidity levels; lower humidity allows for quicker cooling through evaporation.
While warm drinks may raise your core temperature slightly, they stimulate sweating, which ultimately helps to lower your body temperature more effectively.
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