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Best Of: In Good Health: The Nation's Hydration Fixatio : 1A Everything's bigger in America. The portions, the cars, and now, our water bottles.

Does it seem like everyone is carrying around a 30-ounce tumbler? The reusable water bottle industry is a multi-billion dollar business. But don't forget about plastics. The sales of single-use bottled water also continue to rise.

We discuss how much of the hype around water is marketing versus science for the latest installment of In Good Health.

Want to support 1A? Give to your local public radio station an d subscribe to this podcast. Have questions? Connect with us. Listen to 1A sponsor-free by signing up for 1A+ at plus.npr.org/the1a.

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Best Of: In Good Health: The Nation's Hydration Fixation

Best Of: In Good Health: The Nation's Hydration Fixation

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A woman buys a bottle of water during a heat wave in Central Park in New York City. Spencer Platt/Getty Images hide caption

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Spencer Platt/Getty Images

A woman buys a bottle of water during a heat wave in Central Park in New York City.

Spencer Platt/Getty Images

Everything is bigger in America. The portions, the cars, and now, our water bottles.

Does it seem like everyone is carrying around a 30-ounce tumbler? The reusable water bottle industry is a multi-billion dollar business. But don't forget about plastics. The sales of single-use bottled water also continue to rise.

We're a nation intent on hydration. But how much of the hype around water is marketing versus science?

Find more of our programs online. Listen to 1A sponsor-free by signing up for 1A+ at plus.npr.org/the1a.