Mariah’s brother is claiming that she is addicted to several prescription pills and drinks alcohol nonstop.

Here’s what DailyMail reported about this:

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Mariah Carey’s brother fears her drinking will kill her and claims he has never seen her sober.

The Hero hitmaker’s sibling Morgan – who hasn’t directly spoken to the singer in two years – fears the star is unable to care for her four-year-old twins Moroccan and Monroe because he believes she is trying to numb her problems with wine and champagne.

Alleging she has been a heavy drinker since suffering from mental health problems in 2001, Morgan told the National Enquirer magazine: “Mariah was drinking through her pregnancy – even while she was nursing.”

Morgan is concerned the “Without You” singer has “pushed away the only people who’ve been trustworthy” and will blame her entourage if anything does happen to her.

He said: “If my sister turns up dead … I’m not going to look the other way! Anyone who’s filling her glass is jeopardizing her life!”

Reps for Mariah Carey declined request for comment on these claims.

Mariah’s brother also branded her estranged husband Nick Cannon a “crock of s**t” who wasn’t…

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