Jeff Garlin, comedian and former "The Goldbergs" star, reveals he has bipolar disorder

Comedian Jeff Garlin has been diagnosed with bipolar disorder, he shared in an Instagram post Wednesday. 

"Bipolar is a m-----------r," the former star of "The Goldbergs" wrote. "Sometimes it's just too much to deal with. I'm doing the best I can. This the first time that I've opened up about this."

His post included a photo of a man reading a magazine with the word "MAD" written on it.