The fact
High temperatures increase the risks of dehydration and heatstroke.
Tap water remains safe to drink, but precautions are advised during heatwaves.
2 sources — click a link to read an article on the topic:
Why it matters
La canicule expose des millions de personnes à des risques sanitaires accrus, nécessitant une vigilance renforcée des pouvoirs publics et des citoyens.