Singer and actress Miley Cyrus says a rare voice disorder called Reinke's edema is behind her famous raspy voice -- and also makes singing live very hard.

Miley Cyrus revealed what created her trademark raspy voice - and why it prevents her from touring. During an interview earlier this month on Apple Music's The Zane Lowe Show, Cyrus, 32, attributed her unique voice to a medical condition called Reinke's edema,

In a recent interview on Apple Music's "The Zane Lowe Show," Cyrus said that Reinke's edema is a part of her "unique anatomy."