The death of 43-year-old Billy Miller, an actor best known for his role in the soap opera "The Young and the Restless," was due to suicide.

The death of 43-year-old Billy Miller, an actor best known for his role in the soap opera "The Young and the Restless," was due to suicide, his mother has confirmed. Patricia Miller wrote in a ...

Billy, a Daytime Emmy-winning actor, got his start in a 2006 episode of CSI: NY. He is best known for his performances as Billy Abbott on The Young and the Restless, which he starred on from 2008 ...

Soap opera star Billy Miller died by suicide after struggling with bipolar disorder, his heartbroken mother revealed. “He fought a long, hard, valiant battle with bipolar depression for years.

Billy Miller accepts Outstanding Lead Actor in a Drama Series for ‘The Young and the Restless’ onstage during The 41st Annual Daytime Emmy Awards on June 22, 2014 | Alberto E. Rodriguez/Getty ...

Days after Billy Miller's death, his mom Patricia Miller reflected on the General Hospital star's struggles: "He fought a long hard valiant battle with bipolar depression for years." ...

In battling bipolar disorder, Billy Miller was far from alone: Nearly 3% of adults in the United States live with the condition, according to the National Institute of Mental Health.