In extreme heat and high humidity, evaporation is slowed and the body must work extra hard to maintain a normal temperature. Most heat disorders occur because the victim has been overexposed to ...

By 2050, over 5 billion people — probably more than half the planet’s population — will be exposed to at least a month of health-threatening extreme ... bulb globe temperature,” a metric ...

The number of global extreme weather events has seen a "staggering ... Heat waves are only declared in India if the "temperature is above 45 C (113 F)," said the AP. Hospitals struggled with ...