Is Air Conditioning Bad for You?

As reported on slate.com, recycled air might be sickening or dangerous has been circulating for as long as we've had home cooling. According to historian Marsha E. Ackermann's Cool Comfort: America's Romance With Air-Conditioning, the invention of the air conditioner set off a series of debates among high-profile scholars over whether it was better to fill a building with fresh air or to close it off from the elements altogether. One side argued for ventilation even in the most miserable summer weather; the other claimed that a hot, damp breeze could be a hazard to your health.

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