Fingas, Jon (February 3, 2020). "YouTube Premium and Music have 20 million subscribers". Dickey, Megan Rose (February 15, 2013). "The 22 Key Turning Points in the History of YouTube". McAllister, Neil (May 9, 2013). "YouTube launches subscriptions with 53 compensated channels". Hypersexuality could also present as a aspect outcome of medication this kind of as prescription drugs used to deal with Parkinson's condition.