Between April and May 2012, Joo Sae-hyuk was diagnosed with Behçet's disease, Although Behcet's disease is known to be incurable, it appears that Joo Sae-hyuk is still performing well.
In the period between April and May of 2012, Joo Sae-hyuk received a diagnosis of Behçet's disease. Despite the fact that Behçet's disease is considered incurable, Joo Sae-hyuk continues to perform effectively.