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How hot is too hot to exercise outside?

As climate change leads to record-high temperatures around the world, dangerously hot days are prompting questions about when it’s too hot to exercise outdoors.

The stakes are high. The consequences of a too-hot workout “range from feeling thirsty to death,” said Clare Minahan, a sports scientist at Griffith University in Australia. But figuring out when to trade that woodsy running path for the old treadmill is not as easy as glancing at a thermometer.

Is there a simple rule I can follow?

Every body and every environment is different, experts caution. “There’s no magic formula,” Minahan said. “When I talk about a hard-and-fast number, the amount of gray area around that is quite enormous.”

Keep reading at Washington Post

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