14-year-old influencer Zuza Beine has died of acute myeloid leukemia, a condition that she chronicled online for her millions of followers across Instagram and TikTok. Acute myeloid leukemia, often abbreviated as AML, is a cancer that affects bone marrow, where blood cells are produced. It causes stem cells within the bone marrow to create too many immature and abnormal white blood cells, which don’t work as normal and crowd out other healthy blood cells. Article continues after adAs a result, the body experiences a shortage of healthy red blood cells, leading to fatigue, weakness, bruising, bleeding, and a weakened immune system, as there are fewer white blood cells to fend off infections. As per her Instagram profile, she was a five-time survivor of leukemia and had undergone three total bone marrow transplants.