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Charlie Sheen bravely told the world that he was diagnosed with HIV on Tuesday on the "TODAY Show."

Despite years in the spotlight, the disease still faces a stigma and lacks a treatment that can cure the virus altogether. That's why arguably the highest-profile person to ever contract HIV, NBA Hall of Famer Magic Johnson, took to Twitter to both offer support to and request assistance from Sheen.

Johnson announced his immediate retirement from the NBA due to his own HIV diagnosis 24 years ago this month.

Videos of Sheen's interview with Matt Lauer can be seen below.

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Thumbnail photo via Twitter/@p8mes