Lea Michele Has ‘Horrible Anxiety Attacks’ over Cory Monteith’s Death

She lost boyfriend and "Glee" co-star Cory Monteith to a heroin

overdose, and now Lea Michele is suffering from debilitating anxiety,

a source tells HollywoodLife.

"Lea is getting worse -- the shock is wearing off now and the reality

is setting in," the insider said. "She's been having horrible anxiety

attacks where she feels like she can't breathe."



Video: Cory's Best 'Glee' Moments



Michele was with her "Glee" family at a memorial service on Thursday,

saying a final goodbye to Cory. The cast and crew are set to return to

work on Aug. 5.



"Lea pushes herself so hard and expects so much from herself," the

source said. "And she doesn't want to let down anyone at 'Glee'

because she knows everyone is counting on her to come back."

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