Christian LeBlanc's sudden disappearance from The Young and the Restless left fans puzzled—until he revealed he'd been battling multiple myeloma, a rare form of blood cancer, since June. What’s even more extraordinary is how keen-eyed viewers spotted the signs before he did, prompting a doctor visit that may have saved his life—let’s watch the video to learn how fan observations led to an early diagnosis and where LeBlanc stands today.