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Most people assume their workout clothes are a neutral variable. The research suggests otherwise. Here is the case, built from evidence, for why what you wear to exercise matters more...

The question sounds alarmist. The research behind it does not. Here is what is actually known about the chemicals in yoga pants, what the Lululemon investigation revealed, and what a...

The fiber is not the whole story. By the time activewear reaches you, it has passed through dyeing, finishing, and treatment processes that introduce chemical concerns separate from the base...