Heat-related advisories were in place across eight states on Tuesday, as the National Weather Service continued to warn of ...

Heatwaves are becoming extreme in many places in the world. Sweltering hot temperatures are putting a strain on our bodies, disrupting society and crippling our infrastructure. Can the world adapt?

Today there are red warnings for heat in place in France - in Paris and the Val de Loire, where temperatures could reach 41C.

To find out if caffeine can dehydrate your body or if it's a vasoconstrictor, I asked three dietitians for the caffeinated ...