Record-Level Humidity and Heat Stress Grips Los Angeles
Los Angeles is experiencing record-high humidity levels this week, compounding the effects of an ongoing heat wave in Southern California. According to public health officials, the combination of high temperatures and oppressive humidity is straining the body's ability to cool itself, leading to an increase in heat-related illnesses. Experts, including Dr. David Eisenman from UCLA, explain that high humidity prevents sweat from evaporating efficiently, causing the body to overheat. This phenomenon, known as 'heat stress,' is particularly dangerous as it forces the body to work harder to maintain a stable internal temperature of 98.6°F (37°C). The Los Angeles County Department of Public Health has reported a rise in emergency visits for heat-related conditions, underscoring the severity of the situation. Source time: Tue, 08 Sep 2026 22:23:54 GMT. 
