How Safe Are Group Workouts in the Heat?

When it's hot out, do you workout at the same intensity as you would with cooler weather or do you take it down a notch?

Cool weather is nice to workout in, warm weather helps you work up a sweat, but hot weather can make it difficult to even breathe while working out. So, what do you do? Do you workout at the same intensity as you would with cooler weather or do you take it down a notch?

 

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from Breaking Muscle https://ift.tt/2JShSYv