In this week's cover story, Mariah Carey is the first to talk about her fight against bipolar disorder

For the first time, Mariah Carey lets fans know that she has bipolar disorder.

The singer revealed her 2001 diagnosis People magazine in an article published Wednesday morning. According to Carey, 48, she received her diagnosis after she was hospitalized for "a physical and mental collapse."

"I did not want to believe it," says Carey when she receives the message.

"Until recently, I lived in denial and isolation and in constant fear someone would expose me," she told editor-in-chief Jess Cagle. "It was too hard to carry a burden and I just could not do that anymore, I searched and got treatment, I put positive people around me and I did what I loved – writing songs and making music." [19659009] Carey says she thought she had a "severe sleep disorder".

"But it was not a normal insomnia and I was not awake counting sheep, I worked and worked and worked," she says. "I was irritated and was always afraid to let people down, it turns out that I had a form of mania.

"At some point I would just hit a wall," she continues, "I think my depressive episodes were characterized by very little energy. I felt so lonely and sad – even guilty that I did not do what I had to do for my career. "

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Mariah Carey shares two children with her ex-husband, Nick Cannon, six-year-old twins, Moroccans, right, and Monroe. (Photo: Jordan Strauss / Invision / AP)

Carey is now in she says. "

" I actually take medications that seem pretty good, "she says," It does not make me too tired or lethargic or anything. The most important thing is the right balance. "

Carey says she is motivated to share her struggle in the hope of destigmatizing the diagnosis. [19659009]" I'm in a really good place right now "I'm hopeful that we can get to a place where the stigma is being lifted by people who go through something alone. It can be incredibly insulating. It does not have to define you and I refuse to define or control it. "

Carey shared the cover with her more than six million Instagram followers on Wednesday morning." I'm grateful to have this part Sharing my journey with you, "she headlined the picture.

Carey is not the only known person to publicly share her battle with the disease. Demi Lovato was a mental health crusader attending the 2016 Democratic National Convention

The actress Catherine Zeta-Jones revealed that she had bipolar disorder in 2011, and she reportedly sought treatment in 2013 that received recognition from Carrie Fisher, who also shared the diagnosis, "I love that she went pre-emptive, "Fisher said after an episode in 2013," so that will be what I'm doing now. "

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