It mentions that several times. >In the 1990s he was diagnosed with vocal cord paralysis, a nerve condition that eventually has made it difficult for him to sp

It mentions that several times. >In the 1990s he was diagnosed with vocal cord paralysis, a nerve condition that eventually has made it difficult for him to speak above a hoarse whisper. “Sergey says I’m probably a better CEO because I choose my words more carefully,” Page wrote in a Google+ post in 2013, the same year he stopped joining earnings calls.