Dr. Phil used tough love to help point Christi back in the right direction. She apologized to her daughters on the show for how her mistakes affected their lives.

This comes after 20/20's Elizabeth Vargas admitted to alcoholism last year.

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"As you know, the idea is 'I'll sleep on Sunday,' because you're running, you're working the edits, you're working against deadline," Dr. Phil told ET's Nischelle Turner. "The next thing you know, you're taking a pill, you're drinking."

Substance abuse has often been a plague to on-air reporters. ABC's Dan Harris said his 2004 panic attack was because of his cocaine and ecstasy use, and Fox News' Gregg Jarrett is still off the air after he was arrested last May, reportedly while intoxicated.