"It's definitely not ideal to be dripping sweat in front of our employees, but I'm not going to miss a workout, " he says.

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But it gets the job done and crosses the home plate in style. 42 may not be a home run, but it steals third without breaking a sweat.

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For one thing, the fact that changes in sweat chloride, which should be evidence of the effectiveness of the drug combo, are not significant is a concern.

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