The Disturbing Truth About How Extreme Heat Affects the Body

Photo credit: Salvatore Favata via Unsplash. Article by Ellyn Lapointe. Gizmodo – July 4, 2026.

Much of the U.S. is grappling with severely high temperatures and choking humidity this week. Here’s what that means for your health.

The eastern U.S. is in the grips of a brutal heatwave heading into July Fourth weekend. As millions head outside to attend parades, barbecues, and fireworks displays, excessively high temperatures and suffocating humidity will pose a significant public health threat. […]

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