Eustachian Exerciser: Stick It Up Your Nose?
Adevice called the Eustachi is being marketed to pilots as an alternative to the Valsalva maneuver theyve been using for years. You know the drill-pinch your nose and blow to unclog blocked ears during and after a descent. While that can generally do the trick, Minnesota-based Exercore says its Eustachi product is far more effective.