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With summer heat comes sweat, and there's more to perspiration than meets the nose

With summer heat comes sweat, and there's more to perspiration than meets the nose

It's been a hotter summer than most here in Calgary. And with the heat comes sweat — but there's more to perspiration than meets the nose. For Dr. Raj Bhardwaj, an urgent care doctor in Calgary, it's a fascinating phenomenon. While sweat is crucial to our survival, there's a $75-billion worldwide industry that's grown around helping people sweat less and hide their sweat, or at least the smell of it.