Due to this high prevalence, vertebral artery hypoplasia (VAH) has not yet been considered an independent risk factor for ischemic stroke [1,2].
How to use your own headphones on Americanâs new 777-300ER. Passengers traveling in First and Business Class on Americanâs new 777-300ER are provided with Bose QuietComfort 15 Acoustic Noise Canceling headphones to use during the flight.
Here's the real reason airlines are dealing you the mute button on your cell phone. As anyone who has flown has heard, using a cellular telephone aboard an airplane is dangerous. American Airlines warns passengers that cell phones may interfere with the aircraft's communication and navigation systems..