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Halsey sings in her new song "The End" and opens up about her health struggles.

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The singer revealed Tuesday that Halsey has battled the disease in private.

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The singer also released another song on Tuesday, an acoustic guitar track titled “The End”.

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Along with the release of “The End,” Halsey is making donations to both The Leukemia and Lymphoma Society and the Lupus Research Alliance.

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Halsey share that she has been diagnosed with both systemic lupus erythematosus (SLE) and a "rare" T-cell lymphoproliferative disorder

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SLE is the most common type of lupus, a chronic autoimmune disease that can cause inflammation and pain in any part of the body,

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Halsey shared an emotional Instagram post on Tuesday, captioned: "Long story short, I can survive Lucky. Long story short, I wrote the album. It starts with The End. Out now."

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Halsey’s post also features the Lupus Research Alliance and the Leukemia and Lymphoma Society, .