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Winona Ryder supposedly had one, as did Mariah Carey, Amanda Bynes, and a slew of other celebrities who spiraled out of control and ended up in the hospital. But what, exactly, was going on with these people—and could you be headed for a similar fate?

The answer is a bit complicated, since "nervous breakdown" isn't a phrase that you'll find written on a contemporary's medical chart. In the past, it was used as a catchall diagnosis that could mean someone had one of any number of psychiatric disorders. The common thread is that whatever was going on rendered them unable to function normally, at least for a period of time.  

Modern mental health professionals no longer use the vague phrase "nervous breakdown," and their goal is to identify the specific issue (such as major depression, panic disorder, or schizophrenia, among other possibilities) that caused what they might refer to as an "emotional health crisis," "mental health crisis," or "mental breakdown," says Heather Senior Monroe, a social worker at a mental health treatment center. "Some experts classify a mental breakdown as a type of anxiety disorder," she explains. "What's important to understand is that such a breakdown is usually an indicator of underlying mental health problems that need to be addressed." (If you're a woman, you're more likely to have these 4 mental health issues.)

"A mental breakdown is a period of mental illness during which intense feelings of depression, stress, or anxiety result in an inability to function in daily life," Monroe adds. "The person suffering is emotionally overwhelmed. They might feel that life is hopeless, that they are 'going crazy,' and that they will never be able to get back to normal." 

When you read about the latest celebrity breakdown, it might seem as if it came out of nowhere. Although it's possible for someone's mental health to go from perfect to rock bottom in an instant, it doesn't usually work that way. (Even psychosis tends to have warning signs.) And if you get help when you're just starting to falter, you have a better chance of avoiding a full-on crisis. Here, some indicators that warrant a call for help:

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