Overview
- Recent reports highlight a consensus from nutrition and medical experts that hot water does not deliver special health effects beyond what any water provides.
- Physicians explain that a morning drink can prompt bowel movements through the gastrocolic reflex, yet the fluid’s temperature does not change that response.
- The International Agency for Research on Cancer lists drinks hotter than 65°C as probably carcinogenic, and liquids at about 60°C can irritate the throat and stomach.
- Germany’s environment agency advises against pouring warm tap water straight into a glass because pipes can leach substances, so people should use cold water and heat it.
- Salk Institute chronobiologist Satchin Panda suggests warm water can feel like a coffee alternative by warming the body and nudging the gut, while Chip.de and Stern stress the lack of clinical proof and basic hydration facts.