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Oxygen Bar

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What It Is: Scuba divers have been known to take a few onshore hits from their regulators to clear their heads. A similar breathing remedy is used around the world at walk-in oxygen bars, where the air is enriched with 95 percent oxygen (as opposed to the ordinary 21 percent).

Why It (Supposedly) Works: Proponents claim that extra oxygen improves the body’s overall metabolism, thus hastening the breakdown of alcohol-related toxins. Oxygen-enhanced air can also be infused with aromatherapeutic scents, like calming lavender or energizing mint (although adding these decreases the level of 02).

—Jennifer Paull

World's Strangest Hangover Cures

Oxygen Bar

What It Is: Scuba divers have been known to take a few onshore hits from their regulators to clear their heads. A similar breathing remedy is used around the world at walk-in oxygen bars, where the air is enriched with 95 percent oxygen (as opposed to the ordinary 21 percent).

Why It (Supposedly) Works: Proponents claim that extra oxygen improves the body’s overall metabolism, thus hastening the breakdown of alcohol-related toxins. Oxygen-enhanced air can also be infused with aromatherapeutic scents, like calming lavender or energizing mint (although adding these decreases the level of 02).

—Jennifer Paull

AFP/Getty Images

World's Strangest Hangover Cures

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