Altitude Tents Mimic Drug Effects Altitude tents are becoming popular among many professional cyclists and marathoners, who say the lowered-oxygen tents mimic the effects of banned, performance-enhancing drugs.

Altitude Tents Mimic Drug Effects

Altitude Tents Mimic Drug Effects

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Many professional cyclists and marathoners sleep in altitude tents to mimic the effects of banned, performance-enhancing drugs.

Los Angeles Times reporter Alan Zarembo rented one of these tents and used it for more than a month. Now, Zarembo is talking to Alex Chadwick about the experience.

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